1252157104 has 40 divisors (see below), whose sum is σ = 2686131648. Its totient is φ = 560662080.

The previous prime is 1252157087. The next prime is 1252157113. The reversal of 1252157104 is 4017512521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41302 + ... + 64885.

Almost surely, 2^1252157104 is an apocalyptic number.

It is an amenable number.

1252157104 is an abundant number, since it is smaller than the sum of its proper divisors (1433974544).

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

1252157104 is a wasteful number, since it uses less digits than its factorization.

1252157104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106273 (or 106267 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1252157104 is about 35385.8319670458. The cubic root of 1252157104 is about 1077.8366342118.

Adding to 1252157104 its reverse (4017512521), we get a palindrome (5269669625).

The spelling of 1252157104 in words is "one billion, two hundred fifty-two million, one hundred fifty-seven thousand, one hundred four".