111240130 has 16 divisors (see below), whose sum is σ = 205644600. Its totient is φ = 43293312.

The previous prime is 111240127. The next prime is 111240131. The reversal of 111240130 is 31042111.

It can be written as a sum of positive squares in 4 ways, for example, as 101747569 + 9492561 = 10087^2 + 3081^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111240130.

It is not an unprimeable number, because it can be changed into a prime (111240131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149955 + ... + 150694.

Almost surely, 2^111240130 is an apocalyptic number.

111240130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111240130 is a deficient number, since it is larger than the sum of its proper divisors (94404470).

111240130 is a wasteful number, since it uses less digits than its factorization.

111240130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300693.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111240130 is about 10547.0436616144. The cubic root of 111240130 is about 480.9358622301.

Adding to 111240130 its reverse (31042111), we get a palindrome (142282241).

The spelling of 111240130 in words is "one hundred eleven million, two hundred forty thousand, one hundred thirty".