111904149 has 32 divisors (see below), whose sum is σ = 181287936. Its totient is φ = 59938560.

The previous prime is 111904139. The next prime is 111904153. The reversal of 111904149 is 941409111.

It is not a de Polignac number, because 111904149 - 2¹² = 111900053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111904139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117694 + ... + 118640.

It is an arithmetic number, because the mean of its divisors is an integer number (5665248).

Almost surely, 2^111904149 is an apocalyptic number.

It is an amenable number.

111904149 is a deficient number, since it is larger than the sum of its proper divisors (69383787).

111904149 is a wasteful number, since it uses less digits than its factorization.

111904149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 111904149 is about 10578.4757408617. The cubic root of 111904149 is about 481.8909049307.

The spelling of 111904149 in words is "one hundred eleven million, nine hundred four thousand, one hundred forty-nine".