1100913972 has 24 divisors (see below), whose sum is σ = 2569912800. Its totient is φ = 366812256.

The previous prime is 1100913937. The next prime is 1100913977. The reversal of 1100913972 is 2793190011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100913977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10854 + ... + 48162.

It is an arithmetic number, because the mean of its divisors is an integer number (107079700).

Almost surely, 2^1100913972 is an apocalyptic number.

1100913972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100913972 is an abundant number, since it is smaller than the sum of its proper divisors (1468998828).

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

1100913972 is a wasteful number, since it uses less digits than its factorization.

1100913972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39775 (or 39773 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1100913972 is about 33180.0236889608. The cubic root of 1100913972 is about 1032.5659378613.

The spelling of 1100913972 in words is "one billion, one hundred million, nine hundred thirteen thousand, nine hundred seventy-two".