113088921 has 8 divisors (see below), whose sum is σ = 164493024. Its totient is φ = 68538720.

The previous prime is 113088919. The next prime is 113088923. The reversal of 113088921 is 129880311.

It is an interprime number because it is at equal distance from previous prime (113088919) and next prime (113088923).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113088921 - 2¹ = 113088919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3426937 = 113088921 / (1 + 1 + 3 + 0 + 8 + 8 + 9 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (113088923) 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, 1713436 + ... + 1713501.

It is an arithmetic number, because the mean of its divisors is an integer number (20561628).

Almost surely, 2^113088921 is an apocalyptic number.

113088921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113088921 is a deficient number, since it is larger than the sum of its proper divisors (51404103).

113088921 is a wasteful number, since it uses less digits than its factorization.

113088921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426951.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 113088921 is about 10634.3274822623. The cubic root of 113088921 is about 483.5855925627.

The spelling of 113088921 in words is "one hundred thirteen million, eighty-eight thousand, nine hundred twenty-one".