112631251 has 4 divisors (see below), whose sum is σ = 113015952. Its totient is φ = 112246552.

The previous prime is 112631237. The next prime is 112631269. The reversal of 112631251 is 152136211.

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 112631251 - 2²⁵ = 79076819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112631291) 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, 191911 + ... + 192496.

It is an arithmetic number, because the mean of its divisors is an integer number (28253988).

Almost surely, 2^112631251 is an apocalyptic number.

112631251 is a deficient number, since it is larger than the sum of its proper divisors (384701).

112631251 is an equidigital number, since it uses as much as digits as its factorization.

112631251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384700.

The product of its digits is 360, while the sum is 22.

The square root of 112631251 is about 10612.7871457031. The cubic root of 112631251 is about 482.9323548187.

Adding to 112631251 its reverse (152136211), we get a palindrome (264767462).

The spelling of 112631251 in words is "one hundred twelve million, six hundred thirty-one thousand, two hundred fifty-one".