112421239 has 6 divisors (see below), whose sum is σ = 130775784. Its totient is φ = 96361020.

The previous prime is 112421219. The next prime is 112421249. The reversal of 112421239 is 932124211.

It is not a de Polignac number, because 112421239 - 2¹¹ = 112419191 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 (112421219) 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 5 ways as a sum of consecutive naturals, for example, 1147107 + ... + 1147204.

It is an arithmetic number, because the mean of its divisors is an integer number (21795964).

Almost surely, 2^112421239 is an apocalyptic number.

112421239 is a deficient number, since it is larger than the sum of its proper divisors (18354545).

112421239 is an equidigital number, since it uses as much as digits as its factorization.

112421239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294325 (or 2294318 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 112421239 is about 10602.8882385886. Note that the first 3 decimals coincide. The cubic root of 112421239 is about 482.6320098404.

The spelling of 112421239 in words is "one hundred twelve million, four hundred twenty-one thousand, two hundred thirty-nine".