111004290 has 32 divisors (see below), whose sum is σ = 296012160. Its totient is φ = 29601072.

The previous prime is 111004277. The next prime is 111004301. The reversal of 111004290 is 92400111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205294 + ... + 205833.

It is an arithmetic number, because the mean of its divisors is an integer number (9250380).

Almost surely, 2^111004290 is an apocalyptic number.

111004290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111004290 is an abundant number, since it is smaller than the sum of its proper divisors (185007870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111004290 is a wasteful number, since it uses less digits than its factorization.

111004290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411143 (or 411137 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111004290 is about 10535.8573452757. The cubic root of 111004290 is about 480.5957446697.

The spelling of 111004290 in words is "one hundred eleven million, four thousand, two hundred ninety".