112531439 has 2 divisors, whose sum is σ = 112531440. Its totient is φ = 112531438.

The previous prime is 112531421. The next prime is 112531453. The reversal of 112531439 is 934135211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112531439 - 2¹² = 112527343 is a prime.

It is a super-4 number, since 4×112531439⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112531459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56265719 + 56265720.

It is an arithmetic number, because the mean of its divisors is an integer number (56265720).

Almost surely, 2^112531439 is an apocalyptic number.

112531439 is a deficient number, since it is larger than the sum of its proper divisors (1).

112531439 is an equidigital number, since it uses as much as digits as its factorization.

112531439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 112531439 is about 10608.0836629431. The cubic root of 112531439 is about 482.7896570341.

The spelling of 112531439 in words is "one hundred twelve million, five hundred thirty-one thousand, four hundred thirty-nine".