1135722972 has 24 divisors (see below), whose sum is σ = 2654880256. Its totient is φ = 377880048.

The previous prime is 1135722941. The next prime is 1135722983. The reversal of 1135722972 is 2792275311.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1135722972.

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, 79948 + ... + 93075.

Almost surely, 2^1135722972 is an apocalyptic number.

1135722972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1135722972 is an abundant number, since it is smaller than the sum of its proper divisors (1519157284).

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

1135722972 is a wasteful number, since it uses less digits than its factorization.

1135722972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173577 (or 173575 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 1135722972 is about 33700.4891952624. The cubic root of 1135722972 is about 1043.3358652392.

The spelling of 1135722972 in words is "one billion, one hundred thirty-five million, seven hundred twenty-two thousand, nine hundred seventy-two".