113296021 has 4 divisors (see below), whose sum is σ = 114569100. Its totient is φ = 112022944.

The previous prime is 113296019. The next prime is 113296037. The reversal of 113296021 is 120692311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15563025 + 97732996 = 3945^2 + 9886^2 .

It is a cyclic number.

It is not a de Polignac number, because 113296021 - 2¹ = 113296019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113291021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636406 + ... + 636583.

It is an arithmetic number, because the mean of its divisors is an integer number (28642275).

Almost surely, 2^113296021 is an apocalyptic number.

It is an amenable number.

113296021 is a deficient number, since it is larger than the sum of its proper divisors (1273079).

113296021 is an equidigital number, since it uses as much as digits as its factorization.

113296021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273078.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 113296021 is about 10644.0603624745. The cubic root of 113296021 is about 483.8806096817.

The spelling of 113296021 in words is "one hundred thirteen million, two hundred ninety-six thousand, twenty-one".