1251200432 has 20 divisors (see below), whose sum is σ = 2453410680. Its totient is φ = 618062208.

The previous prime is 1251200417. The next prime is 1251200441. The reversal of 1251200432 is 2340021521.

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, 469757 + ... + 472412.

It is an arithmetic number, because the mean of its divisors is an integer number (122670534).

Almost surely, 2^1251200432 is an apocalyptic number.

It is an amenable number.

1251200432 is a deficient number, since it is larger than the sum of its proper divisors (1202210248).

1251200432 is an equidigital number, since it uses as much as digits as its factorization.

1251200432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942260 (or 942254 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1251200432 is about 35372.3116575663. The cubic root of 1251200432 is about 1077.5620683341.

Adding to 1251200432 its reverse (2340021521), we get a palindrome (3591221953).

The spelling of 1251200432 in words is "one billion, two hundred fifty-one million, two hundred thousand, four hundred thirty-two".