111904372 has 6 divisors (see below), whose sum is σ = 195832658. Its totient is φ = 55952184.

The previous prime is 111904363. The next prime is 111904381. The reversal of 111904372 is 273409111.

It is an interprime number because it is at equal distance from previous prime (111904363) and next prime (111904381).

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 30074256 = 9046^2 + 5484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111904372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13988043 + ... + 13988050.

Almost surely, 2^111904372 is an apocalyptic number.

It is an amenable number.

111904372 is a deficient number, since it is larger than the sum of its proper divisors (83928286).

111904372 is a wasteful number, since it uses less digits than its factorization.

111904372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27976097 (or 27976095 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 111904372 is about 10578.4862811274. The cubic root of 111904372 is about 481.8912250309.

The spelling of 111904372 in words is "one hundred eleven million, nine hundred four thousand, three hundred seventy-two".