113021291 has 8 divisors (see below), whose sum is σ = 119398800. Its totient is φ = 106686720.

The previous prime is 113021267. The next prime is 113021299. The reversal of 113021291 is 192120311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113021291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113021299) 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, 5246 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (14924850).

Almost surely, 2^113021291 is an apocalyptic number.

113021291 is a deficient number, since it is larger than the sum of its proper divisors (6377509).

113021291 is a wasteful number, since it uses less digits than its factorization.

113021291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21469.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 113021291 is about 10631.1472099675. The cubic root of 113021291 is about 483.4891745848.

The spelling of 113021291 in words is "one hundred thirteen million, twenty-one thousand, two hundred ninety-one".