111252130 has 32 divisors (see below), whose sum is σ = 218998080. Its totient is φ = 40355520.

The previous prime is 111252077. The next prime is 111252133. The reversal of 111252130 is 31252111.

It is not an unprimeable number, because it can be changed into a prime (111252133) by changing a digit.

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, 54997 + ... + 56983.

It is an arithmetic number, because the mean of its divisors is an integer number (6843690).

Almost surely, 2^111252130 is an apocalyptic number.

111252130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111252130 is a deficient number, since it is larger than the sum of its proper divisors (107745950).

111252130 is a wasteful number, since it uses less digits than its factorization.

111252130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 111252130 is about 10547.6125260648. The cubic root of 111252130 is about 480.9531552185.

The spelling of 111252130 in words is "one hundred eleven million, two hundred fifty-two thousand, one hundred thirty".