111648130 has 32 divisors (see below), whose sum is σ = 222523200. Its totient is φ = 39990720.

The previous prime is 111648109. The next prime is 111648137. The reversal of 111648130 is 31846111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111648095 and 111648104.

It is not an unprimeable number, because it can be changed into a prime (111648137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205 + ... + 14944.

It is an arithmetic number, because the mean of its divisors is an integer number (6953850).

Almost surely, 2^111648130 is an apocalyptic number.

111648130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111648130 is a deficient number, since it is larger than the sum of its proper divisors (110875070).

111648130 is a wasteful number, since it uses less digits than its factorization.

111648130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15234.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 111648130 is about 10566.3678716956. The cubic root of 111648130 is about 481.5231275826.

The spelling of 111648130 in words is "one hundred eleven million, six hundred forty-eight thousand, one hundred thirty".