112989439 has 2 divisors, whose sum is σ = 112989440. Its totient is φ = 112989438.

The previous prime is 112989433. The next prime is 112989449. The reversal of 112989439 is 934989211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112989439 - 2¹³ = 112981247 is a prime.

It is a super-2 number, since 2×112989439² = 25533226651069442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112989433) 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 as a sum of consecutive naturals, namely, 56494719 + 56494720.

It is an arithmetic number, because the mean of its divisors is an integer number (56494720).

Almost surely, 2^112989439 is an apocalyptic number.

112989439 is a deficient number, since it is larger than the sum of its proper divisors (1).

112989439 is an equidigital number, since it uses as much as digits as its factorization.

112989439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 46.

The square root of 112989439 is about 10629.6490534730. The cubic root of 112989439 is about 483.4437508599.

The spelling of 112989439 in words is "one hundred twelve million, nine hundred eighty-nine thousand, four hundred thirty-nine".