111125490 has 64 divisors (see below), whose sum is σ = 320855040. Its totient is φ = 24062400.

The previous prime is 111125423. The next prime is 111125507. The reversal of 111125490 is 94521111.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111125490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9936 + ... + 17915.

It is an arithmetic number, because the mean of its divisors is an integer number (5013360).

Almost surely, 2^111125490 is an apocalyptic number.

111125490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111125490 is an abundant number, since it is smaller than the sum of its proper divisors (209729550).

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

111125490 is a wasteful number, since it uses less digits than its factorization.

111125490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27887.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 111125490 is about 10541.6075624167. The cubic root of 111125490 is about 480.7705938210.

The spelling of 111125490 in words is "one hundred eleven million, one hundred twenty-five thousand, four hundred ninety".