112999531 has 2 divisors, whose sum is σ = 112999532. Its totient is φ = 112999530.

The previous prime is 112999519. The next prime is 112999583. The reversal of 112999531 is 135999211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112999531 - 2⁵ = 112999499 is a prime.

It is a super-2 number, since 2×112999531² = 25537788012439922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112999501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56499765 + 56499766.

It is an arithmetic number, because the mean of its divisors is an integer number (56499766).

Almost surely, 2^112999531 is an apocalyptic number.

112999531 is a deficient number, since it is larger than the sum of its proper divisors (1).

112999531 is an equidigital number, since it uses as much as digits as its factorization.

112999531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870, while the sum is 40.

The square root of 112999531 is about 10630.1237528074. The cubic root of 112999531 is about 483.4581438542.

The spelling of 112999531 in words is "one hundred twelve million, nine hundred ninety-nine thousand, five hundred thirty-one".