112131551 has 6 divisors (see below), whose sum is σ = 130438800. Its totient is φ = 96112716.

The previous prime is 112131533. The next prime is 112131553. The reversal of 112131551 is 155131211.

It is a happy number.

It is not a de Polignac number, because 112131551 - 2²⁶ = 45022687 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 (112131553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1144151 + ... + 1144248.

It is an arithmetic number, because the mean of its divisors is an integer number (21739800).

Almost surely, 2^112131551 is an apocalyptic number.

112131551 is a deficient number, since it is larger than the sum of its proper divisors (18307249).

112131551 is an equidigital number, since it uses as much as digits as its factorization.

112131551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288413 (or 2288406 counting only the distinct ones).

The product of its digits is 150, while the sum is 20.

The square root of 112131551 is about 10589.2186208426. The cubic root of 112131551 is about 482.2171031753.

Adding to 112131551 its reverse (155131211), we get a palindrome (267262762).

The spelling of 112131551 in words is "one hundred twelve million, one hundred thirty-one thousand, five hundred fifty-one".