1140921875 has 14 divisors (see below), whose sum is σ = 1426153620. Its totient is φ = 912725000.

The previous prime is 1140921841. The next prime is 1140921907. The reversal of 1140921875 is 5781290411.

It is not a de Polignac number, because 1140921875 - 2⁶ = 1140921811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 20885 + ... + 52134.

Almost surely, 2^1140921875 is an apocalyptic number.

1140921875 is a deficient number, since it is larger than the sum of its proper divisors (285231745).

1140921875 is an frugal number, since it uses more digits than its factorization.

1140921875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73049 (or 73024 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1140921875 is about 33777.5350640037. The cubic root of 1140921875 is about 1044.9254390000.

The spelling of 1140921875 in words is "one billion, one hundred forty million, nine hundred twenty-one thousand, eight hundred seventy-five".