1270142524 has 72 divisors (see below), whose sum is σ = 2718817920. Its totient is φ = 516678624.

The previous prime is 1270142521. The next prime is 1270142527. The reversal of 1270142524 is 4252410721.

It is an interprime number because it is at equal distance from previous prime (1270142521) and next prime (1270142527).

It is a super-2 number, since 2×1270142524² = 3226524062546181152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1270142492 and 1270142501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270142521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625599 + ... + 627625.

It is an arithmetic number, because the mean of its divisors is an integer number (37761360).

Almost surely, 2^1270142524 is an apocalyptic number.

1270142524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270142524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1359408960).

1270142524 is an abundant number, since it is smaller than the sum of its proper divisors (1448675396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1270142524 is a wasteful number, since it uses less digits than its factorization.

1270142524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1270142524 is about 35639.0589662522. The cubic root of 1270142524 is about 1082.9726415055.

It can be divided in two parts, 12701 and 42524, that added together give a square (55225 = 235²).

The spelling of 1270142524 in words is "one billion, two hundred seventy million, one hundred forty-two thousand, five hundred twenty-four".