1131123032 has 32 divisors (see below), whose sum is σ = 2327104080. Its totient is φ = 512204160.

The previous prime is 1131123023. The next prime is 1131123053. The reversal of 1131123032 is 2303211311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131123032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97094 + ... + 108117.

Almost surely, 2^1131123032 is an apocalyptic number.

It is an amenable number.

1131123032 is an abundant number, since it is smaller than the sum of its proper divisors (1195981048).

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

1131123032 is a wasteful number, since it uses less digits than its factorization.

1131123032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205283 (or 205279 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1131123032 is about 33632.1725732965. The cubic root of 1131123032 is about 1041.9253756164.

Adding to 1131123032 its reverse (2303211311), we get a palindrome (3434334343).

It can be divided in two parts, 11311 and 23032, that added together give a palindrome (34343).

The spelling of 1131123032 in words is "one billion, one hundred thirty-one million, one hundred twenty-three thousand, thirty-two".