111990794 has 8 divisors (see below), whose sum is σ = 168036708. Its totient is φ = 55978560.

The previous prime is 111990763. The next prime is 111990799. The reversal of 111990794 is 497099111.

It can be written as a sum of positive squares in 2 ways, for example, as 100260169 + 11730625 = 10013^2 + 3425^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111990799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2984 + ... + 15260.

Almost surely, 2^111990794 is an apocalyptic number.

111990794 is a deficient number, since it is larger than the sum of its proper divisors (56045914).

111990794 is a wasteful number, since it uses less digits than its factorization.

111990794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 111990794 is about 10582.5702927030. The cubic root of 111990794 is about 482.0152454674.

The spelling of 111990794 in words is "one hundred eleven million, nine hundred ninety thousand, seven hundred ninety-four".