113622451 has 4 divisors (see below), whose sum is σ = 119602600. Its totient is φ = 107642304.

The previous prime is 113622437. The next prime is 113622463. The reversal of 113622451 is 154226311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113622451 - 2¹⁵ = 113589683 is a prime.

It is a super-2 number, since 2×113622451² = 25820122742494802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113622491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990046 + ... + 2990083.

It is an arithmetic number, because the mean of its divisors is an integer number (29900650).

Almost surely, 2^113622451 is an apocalyptic number.

113622451 is a deficient number, since it is larger than the sum of its proper divisors (5980149).

113622451 is an equidigital number, since it uses as much as digits as its factorization.

113622451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980148.

The product of its digits is 1440, while the sum is 25.

The square root of 113622451 is about 10659.3832373173. The cubic root of 113622451 is about 484.3448851537.

Adding to 113622451 its reverse (154226311), we get a palindrome (267848762).

The spelling of 113622451 in words is "one hundred thirteen million, six hundred twenty-two thousand, four hundred fifty-one".