111392242 has 8 divisors (see below), whose sum is σ = 179941356. Its totient is φ = 51411792.

The previous prime is 111392221. The next prime is 111392249. The reversal of 111392242 is 242293111.

It can be written as a sum of positive squares in 2 ways, for example, as 97397161 + 13995081 = 9869^2 + 3741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (111392249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142133 + ... + 2142184.

Almost surely, 2^111392242 is an apocalyptic number.

111392242 is a deficient number, since it is larger than the sum of its proper divisors (68549114).

111392242 is a wasteful number, since it uses less digits than its factorization.

111392242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284332.

The product of its digits is 864, while the sum is 25.

The square root of 111392242 is about 10554.2523183786. The cubic root of 111392242 is about 481.1549761900.

It can be divided in two parts, 111392 and 242, that multiplied together give a square (26956864 = 5192²).

The spelling of 111392242 in words is "one hundred eleven million, three hundred ninety-two thousand, two hundred forty-two".