1123032988 has 48 divisors (see below), whose sum is σ = 2594398464. Its totient is φ = 411805440.

The previous prime is 1123032979. The next prime is 1123033007. The reversal of 1123032988 is 8892303211.

It is a super-2 number, since 2×1123032988² = 2522406184272416288, 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 15 ways as a sum of consecutive naturals, for example, 102006 + ... + 112477.

It is an arithmetic number, because the mean of its divisors is an integer number (54049968).

Almost surely, 2^1123032988 is an apocalyptic number.

It is an amenable number.

1123032988 is an abundant number, since it is smaller than the sum of its proper divisors (1471365476).

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

1123032988 is a wasteful number, since it uses less digits than its factorization.

1123032988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214522 (or 214520 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1123032988 is about 33511.6843503874. The cubic root of 1123032988 is about 1039.4354023718.

The spelling of 1123032988 in words is "one billion, one hundred twenty-three million, thirty-two thousand, nine hundred eighty-eight".