113361972 has 12 divisors (see below), whose sum is σ = 264511296. Its totient is φ = 37787320.

The previous prime is 113361971. The next prime is 113361977. The reversal of 113361972 is 279163311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113361971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4723404 + ... + 4723427.

It is an arithmetic number, because the mean of its divisors is an integer number (22042608).

Almost surely, 2^113361972 is an apocalyptic number.

113361972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113361972 is an abundant number, since it is smaller than the sum of its proper divisors (151149324).

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

113361972 is a wasteful number, since it uses less digits than its factorization.

113361972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9446838 (or 9446836 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 113361972 is about 10647.1579306405. The cubic root of 113361972 is about 483.9744824103.

The spelling of 113361972 in words is "one hundred thirteen million, three hundred sixty-one thousand, nine hundred seventy-two".