112991433 has 16 divisors (see below), whose sum is σ = 157510656. Its totient is φ = 71912720.

The previous prime is 112991419. The next prime is 112991467. The reversal of 112991433 is 334199211.

It is a happy number.

It is not a de Polignac number, because 112991433 - 2⁹ = 112990921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112991394 and 112991403.

It is not an unprimeable number, because it can be changed into a prime (112991633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43378 + ... + 45908.

It is an arithmetic number, because the mean of its divisors is an integer number (9844416).

Almost surely, 2^112991433 is an apocalyptic number.

It is an amenable number.

112991433 is a deficient number, since it is larger than the sum of its proper divisors (44519223).

112991433 is a wasteful number, since it uses less digits than its factorization.

112991433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its digits is 5832, while the sum is 33.

The square root of 112991433 is about 10629.7428473129. The cubic root of 112991433 is about 483.4465947279.

The spelling of 112991433 in words is "one hundred twelve million, nine hundred ninety-one thousand, four hundred thirty-three".