1142972584 has 16 divisors (see below), whose sum is σ = 2307925620. Its totient is φ = 527525760.

The previous prime is 1142972561. The next prime is 1142972591. The reversal of 1142972584 is 4852792411.

It can be written as a sum of positive squares in 2 ways, for example, as 1122920100 + 20052484 = 33510^2 + 4478^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1142972584.

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, 5494957 + ... + 5495164.

Almost surely, 2^1142972584 is an apocalyptic number.

It is an amenable number.

1142972584 is an abundant number, since it is smaller than the sum of its proper divisors (1164953036).

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

1142972584 is a wasteful number, since it uses less digits than its factorization.

1142972584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990140 (or 10990136 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 1142972584 is about 33807.8775435548. The cubic root of 1142972584 is about 1045.5511188336.

The spelling of 1142972584 in words is "one billion, one hundred forty-two million, nine hundred seventy-two thousand, five hundred eighty-four".