1252910860 has 12 divisors (see below), whose sum is σ = 2631112848. Its totient is φ = 501164336.

The previous prime is 1252910851. The next prime is 1252910917. The reversal of 1252910860 is 680192521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31322752 + ... + 31322791.

It is an arithmetic number, because the mean of its divisors is an integer number (219259404).

Almost surely, 2^1252910860 is an apocalyptic number.

1252910860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252910860 is an abundant number, since it is smaller than the sum of its proper divisors (1378201988).

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

1252910860 is a wasteful number, since it uses less digits than its factorization.

1252910860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62645552 (or 62645550 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1252910860 is about 35396.4808985300. The cubic root of 1252910860 is about 1078.0528644980.

The spelling of 1252910860 in words is "one billion, two hundred fifty-two million, nine hundred ten thousand, eight hundred sixty".