113232021 has 8 divisors (see below), whose sum is σ = 172544064. Its totient is φ = 64704000.

The previous prime is 113232017. The next prime is 113232023. The reversal of 113232021 is 120232311.

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

It is not a de Polignac number, because 113232021 - 2² = 113232017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113232023) 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, 2695980 + ... + 2696021.

It is an arithmetic number, because the mean of its divisors is an integer number (21568008).

Almost surely, 2^113232021 is an apocalyptic number.

It is an amenable number.

113232021 is a deficient number, since it is larger than the sum of its proper divisors (59312043).

113232021 is an equidigital number, since it uses as much as digits as its factorization.

113232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392011.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113232021 is about 10641.0535662593. The cubic root of 113232021 is about 483.7894791141.

Adding to 113232021 its reverse (120232311), we get a palindrome (233464332).

It can be divided in two parts, 1132 and 32021, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 113232021 in words is "one hundred thirteen million, two hundred thirty-two thousand, twenty-one".