1252506928 has 10 divisors (see below), whose sum is σ = 2426732204. Its totient is φ = 626253456.

The previous prime is 1252506887. The next prime is 1252506947. The reversal of 1252506928 is 8296052521.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39140826 + ... + 39140857.

Almost surely, 2^1252506928 is an apocalyptic number.

It is an amenable number.

1252506928 is a deficient number, since it is larger than the sum of its proper divisors (1174225276).

1252506928 is an equidigital number, since it uses as much as digits as its factorization.

1252506928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78281691 (or 78281685 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1252506928 is about 35390.7746171230. The cubic root of 1252506928 is about 1077.9369991510.

The spelling of 1252506928 in words is "one billion, two hundred fifty-two million, five hundred six thousand, nine hundred twenty-eight".