112889731 has 2 divisors, whose sum is σ = 112889732. Its totient is φ = 112889730.

The previous prime is 112889713. The next prime is 112889737. The reversal of 112889731 is 137988211.

Together with previous prime (112889713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112889731 - 2¹⁵ = 112856963 is a prime.

It is a super-2 number, since 2×112889731² = 25488182730504722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112889737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56444865 + 56444866.

It is an arithmetic number, because the mean of its divisors is an integer number (56444866).

Almost surely, 2^112889731 is an apocalyptic number.

112889731 is a deficient number, since it is larger than the sum of its proper divisors (1).

112889731 is an equidigital number, since it uses as much as digits as its factorization.

112889731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 40.

The square root of 112889731 is about 10624.9579293285. The cubic root of 112889731 is about 483.3015033603.

The spelling of 112889731 in words is "one hundred twelve million, eight hundred eighty-nine thousand, seven hundred thirty-one".