112991434 has 8 divisors (see below), whose sum is σ = 169542468. Its totient is φ = 56477280.

The previous prime is 112991419. The next prime is 112991467. The reversal of 112991434 is 434199211.

It can be written as a sum of positive squares in 2 ways, for example, as 111365809 + 1625625 = 10553^2 + 1275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 112991434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484 + ... + 15040.

Almost surely, 2^112991434 is an apocalyptic number.

112991434 is a deficient number, since it is larger than the sum of its proper divisors (56551034).

112991434 is a wasteful number, since it uses less digits than its factorization.

112991434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18440.

The product of its digits is 7776, while the sum is 34.

The square root of 112991434 is about 10629.7428943507. The cubic root of 112991434 is about 483.4465961541.

The spelling of 112991434 in words is "one hundred twelve million, nine hundred ninety-one thousand, four hundred thirty-four".