111404929 has 2 divisors, whose sum is σ = 111404930. Its totient is φ = 111404928.

The previous prime is 111404897. The next prime is 111404941. The reversal of 111404929 is 929404111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62726400 + 48678529 = 7920^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 111404929 - 2⁵ = 111404897 is a prime.

It is a super-2 number, since 2×111404929² = 24822116410990082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111404929.

It is not a weakly prime, because it can be changed into another prime (111404129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702464 + 55702465.

It is an arithmetic number, because the mean of its divisors is an integer number (55702465).

Almost surely, 2^111404929 is an apocalyptic number.

It is an amenable number.

111404929 is a deficient number, since it is larger than the sum of its proper divisors (1).

111404929 is an equidigital number, since it uses as much as digits as its factorization.

111404929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 111404929 is about 10554.8533386305. The cubic root of 111404929 is about 481.1732425172.

The spelling of 111404929 in words is "one hundred eleven million, four hundred four thousand, nine hundred twenty-nine".