1252142324 has 12 divisors (see below), whose sum is σ = 2201076864. Its totient is φ = 623263224.

The previous prime is 1252142321. The next prime is 1252142347. The reversal of 1252142324 is 4232412521.

It is a junction number, because it is equal to n+sod(n) for n = 1252142293 and 1252142302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252142321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700982 + ... + 702765.

It is an arithmetic number, because the mean of its divisors is an integer number (183423072).

Almost surely, 2^1252142324 is an apocalyptic number.

It is an amenable number.

1252142324 is a deficient number, since it is larger than the sum of its proper divisors (948934540).

1252142324 is a wasteful number, since it uses less digits than its factorization.

1252142324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403974 (or 1403972 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1252142324 is about 35385.6231257837. The cubic root of 1252142324 is about 1077.8323933999.

Adding to 1252142324 its reverse (4232412521), we get a palindrome (5484554845).

It can be divided in two parts, 12521 and 42324, that added together give a palindrome (54845).

The spelling of 1252142324 in words is "one billion, two hundred fifty-two million, one hundred forty-two thousand, three hundred twenty-four".