1123120984 has 16 divisors (see below), whose sum is σ = 2106631800. Its totient is φ = 561352512.

The previous prime is 1123120969. The next prime is 1123121003. The reversal of 1123120984 is 4890213211.

It is a super-2 number, since 2×1123120984² = 2522801489402256512, 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, 1714 + ... + 47425.

Almost surely, 2^1123120984 is an apocalyptic number.

It is an amenable number.

1123120984 is a deficient number, since it is larger than the sum of its proper divisors (983510816).

1123120984 is a wasteful number, since it uses less digits than its factorization.

1123120984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52002 (or 51998 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1123120984 is about 33512.9972398769. The cubic root of 1123120984 is about 1039.4625502145.

The spelling of 1123120984 in words is "one billion, one hundred twenty-three million, one hundred twenty thousand, nine hundred eighty-four".