1270620 has 96 divisors (see below), whose sum is σ = 4280640. Its totient is φ = 311040.

The previous prime is 1270609. The next prime is 1270627. The reversal of 1270620 is 260721.

It is a happy number.

It is a super-2 number, since 2×1270620² = 3228950368800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1270593 and 1270602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6930 + ... + 7110.

It is an arithmetic number, because the mean of its divisors is an integer number (44590).

2^1270620 is an apocalyptic number.

1270620 is a gapful number since it is divisible by the number (10) 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 1270620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140320).

1270620 is an abundant number, since it is smaller than the sum of its proper divisors (3010020).

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

1270620 is a wasteful number, since it uses less digits than its factorization.

1270620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1270620 is about 1127.2178139118. The cubic root of 1270620 is about 108.3108329339.

The spelling of 1270620 in words is "one million, two hundred seventy thousand, six hundred twenty".