1123025980 has 24 divisors (see below), whose sum is σ = 2361629088. Its totient is φ = 448586688.

The previous prime is 1123025971. The next prime is 1123025983. The reversal of 1123025980 is 895203211.

It is a super-2 number, since 2×1123025980² = 2522374703509920800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123025983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24079 + ... + 53158.

It is an arithmetic number, because the mean of its divisors is an integer number (98401212).

Almost surely, 2^1123025980 is an apocalyptic number.

1123025980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123025980 is an abundant number, since it is smaller than the sum of its proper divisors (1238603108).

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

1123025980 is a wasteful number, since it uses less digits than its factorization.

1123025980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77973 (or 77971 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1123025980 is about 33511.5797896787. The cubic root of 1123025980 is about 1039.4332402571.

The spelling of 1123025980 in words is "one billion, one hundred twenty-three million, twenty-five thousand, nine hundred eighty".