1252354512 has 40 divisors (see below), whose sum is σ = 3314162880. Its totient is φ = 407269120.

The previous prime is 1252354507. The next prime is 1252354529. The reversal of 1252354512 is 2154532521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252354512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316212 + ... + 320147.

It is an arithmetic number, because the mean of its divisors is an integer number (82854072).

Almost surely, 2^1252354512 is an apocalyptic number.

1252354512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1252354512 is an abundant number, since it is smaller than the sum of its proper divisors (2061808368).

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

1252354512 is a wasteful number, since it uses less digits than its factorization.

1252354512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636411 (or 636405 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1252354512 is about 35388.6212220821. The cubic root of 1252354512 is about 1077.8932731093.

The spelling of 1252354512 in words is "one billion, two hundred fifty-two million, three hundred fifty-four thousand, five hundred twelve".