1251053512 has 16 divisors (see below), whose sum is σ = 2378764800. Its totient is φ = 616716240.

The previous prime is 1251053491. The next prime is 1251053521. The reversal of 1251053512 is 2153501521.

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, 1100712 + ... + 1101847.

It is an arithmetic number, because the mean of its divisors is an integer number (148672800).

Almost surely, 2^1251053512 is an apocalyptic number.

It is an amenable number.

1251053512 is a deficient number, since it is larger than the sum of its proper divisors (1127711288).

1251053512 is a wasteful number, since it uses less digits than its factorization.

1251053512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202636 (or 2202632 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1251053512 is about 35370.2348309988. The cubic root of 1251053512 is about 1077.5198897425.

The spelling of 1251053512 in words is "one billion, two hundred fifty-one million, fifty-three thousand, five hundred twelve".