111254990 has 48 divisors (see below), whose sum is σ = 254144304. Its totient is φ = 34675200.

The previous prime is 111254981. The next prime is 111255019. The reversal of 111254990 is 99452111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4931 + ... + 15710.

It is an arithmetic number, because the mean of its divisors is an integer number (5294673).

Almost surely, 2^111254990 is an apocalyptic number.

111254990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111254990 is an abundant number, since it is smaller than the sum of its proper divisors (142889314).

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

111254990 is a wasteful number, since it uses less digits than its factorization.

111254990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20673 (or 20666 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 111254990 is about 10547.7481008981. The cubic root of 111254990 is about 480.9572765306.

The spelling of 111254990 in words is "one hundred eleven million, two hundred fifty-four thousand, nine hundred ninety".