1131122032 has 20 divisors (see below), whose sum is σ = 2267120520. Its totient is φ = 546058688.

The previous prime is 1131122023. The next prime is 1131122051. The reversal of 1131122032 is 2302211311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1131121997 and 1131122015.

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, 1218418 + ... + 1219345.

It is an arithmetic number, because the mean of its divisors is an integer number (113356026).

Almost surely, 2^1131122032 is an apocalyptic number.

It is an amenable number.

1131122032 is an abundant number, since it is smaller than the sum of its proper divisors (1135998488).

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

1131122032 is a wasteful number, since it uses less digits than its factorization.

1131122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437800 (or 2437794 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131122032 is about 33632.1577065760. The cubic root of 1131122032 is about 1041.9250685689.

Adding to 1131122032 its reverse (2302211311), we get a palindrome (3433333343).

The spelling of 1131122032 in words is "one billion, one hundred thirty-one million, one hundred twenty-two thousand, thirty-two".