111974402 has 4 divisors (see below), whose sum is σ = 167961606. Its totient is φ = 55987200.

The previous prime is 111974399. The next prime is 111974407. The reversal of 111974402 is 204479111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85359121 + 26615281 = 9239^2 + 5159^2 .

It is not an unprimeable number, because it can be changed into a prime (111974407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27993599 + ... + 27993602.

Almost surely, 2^111974402 is an apocalyptic number.

111974402 is a deficient number, since it is larger than the sum of its proper divisors (55987204).

111974402 is an equidigital number, since it uses as much as digits as its factorization.

111974402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55987203.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 111974402 is about 10581.7957833252. The cubic root of 111974402 is about 481.9917269288.

The spelling of 111974402 in words is "one hundred eleven million, nine hundred seventy-four thousand, four hundred two".