112131404 has 36 divisors (see below), whose sum is σ = 249023880. Its totient is φ = 43686720.

The previous prime is 112131403. The next prime is 112131419. The reversal of 112131404 is 404131211.

It is a happy number.

It is a super-2 number, since 2×112131404² = 25146903526022432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112131403) 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 11 ways as a sum of consecutive naturals, for example, 23849 + ... + 28160.

It is an arithmetic number, because the mean of its divisors is an integer number (6917330).

Almost surely, 2^112131404 is an apocalyptic number.

112131404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

112131404 is an abundant number, since it is smaller than the sum of its proper divisors (136892476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112131404 is a wasteful number, since it uses less digits than its factorization.

112131404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52038 (or 52029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 112131404 is about 10589.2116798183. The cubic root of 112131404 is about 482.2168924528.

Adding to 112131404 its reverse (404131211), we get a palindrome (516262615).

The spelling of 112131404 in words is "one hundred twelve million, one hundred thirty-one thousand, four hundred four".