113621980 has 24 divisors (see below), whose sum is σ = 239168160. Its totient is φ = 45341760.

The previous prime is 113621941. The next prime is 113622031. The reversal of 113621980 is 89126311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310 + ... + 15250.

It is an arithmetic number, because the mean of its divisors is an integer number (9965340).

Almost surely, 2^113621980 is an apocalyptic number.

113621980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113621980 is an abundant number, since it is smaller than the sum of its proper divisors (125546180).

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

113621980 is a wasteful number, since it uses less digits than its factorization.

113621980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13389 (or 13387 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 113621980 is about 10659.3611440836. The cubic root of 113621980 is about 484.3442159000.

The spelling of 113621980 in words is "one hundred thirteen million, six hundred twenty-one thousand, nine hundred eighty".