113621480 has 64 divisors (see below), whose sum is σ = 298995840. Its totient is φ = 38045952.

The previous prime is 113621477. The next prime is 113621509. The reversal of 113621480 is 84126311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7322 + ... + 16758.

It is an arithmetic number, because the mean of its divisors is an integer number (4671810).

Almost surely, 2^113621480 is an apocalyptic number.

113621480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113621480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149497920).

113621480 is an abundant number, since it is smaller than the sum of its proper divisors (185374360).

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

113621480 is a wasteful number, since it uses less digits than its factorization.

113621480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498 (or 9494 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 113621480 is about 10659.3376904947. The cubic root of 113621480 is about 484.3435054375.

Adding to 113621480 its reverse (84126311), we get a palindrome (197747791).

The spelling of 113621480 in words is "one hundred thirteen million, six hundred twenty-one thousand, four hundred eighty".