111552130 has 32 divisors (see below), whose sum is σ = 213890544. Its totient is φ = 41742336.

The previous prime is 111552127. The next prime is 111552143. The reversal of 111552130 is 31255111.

It can be written as a sum of positive squares in 8 ways, for example, as 71622369 + 39929761 = 8463^2 + 6319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111552098 and 111552107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27514 + ... + 31306.

Almost surely, 2^111552130 is an apocalyptic number.

111552130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111552130 is a deficient number, since it is larger than the sum of its proper divisors (102338414).

111552130 is a wasteful number, since it uses less digits than its factorization.

111552130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 111552130 is about 10561.8241795629. The cubic root of 111552130 is about 481.3850763804.

The spelling of 111552130 in words is "one hundred eleven million, five hundred fifty-two thousand, one hundred thirty".