1252912942 has 8 divisors (see below), whose sum is σ = 1879521336. Its totient is φ = 626405832.

The previous prime is 1252912939. The next prime is 1252912963. The reversal of 1252912942 is 2492192521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28413 + ... + 57559.

It is an arithmetic number, because the mean of its divisors is an integer number (234940167).

Almost surely, 2^1252912942 is an apocalyptic number.

1252912942 is a deficient number, since it is larger than the sum of its proper divisors (626608394).

1252912942 is a wasteful number, since it uses less digits than its factorization.

1252912942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50642.

The product of its digits is 25920, while the sum is 37.

The square root of 1252912942 is about 35396.5103082211. The cubic root of 1252912942 is about 1078.0534616421.

The spelling of 1252912942 in words is "one billion, two hundred fifty-two million, nine hundred twelve thousand, nine hundred forty-two".