1375972924 has 12 divisors (see below), whose sum is σ = 2408297248. Its totient is φ = 687888000.

The previous prime is 1375972891. The next prime is 1375972937. The reversal of 1375972924 is 4292795731.

It is a happy number.

It is a super-2 number, since 2×1375972924² = 3786602975162219552, which contains 22 as substring.

It is a congruent number.

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, 13324 + ... + 54124.

Almost surely, 2^1375972924 is an apocalyptic number.

It is an amenable number.

1375972924 is a deficient number, since it is larger than the sum of its proper divisors (1032324324).

1375972924 is a wasteful number, since it uses less digits than its factorization.

1375972924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49236 (or 49234 counting only the distinct ones).

The product of its digits is 952560, while the sum is 49.

The square root of 1375972924 is about 37094.1090201665. The cubic root of 1375972924 is about 1112.2522578253.

The spelling of 1375972924 in words is "one billion, three hundred seventy-five million, nine hundred seventy-two thousand, nine hundred twenty-four".