111240394 has 8 divisors (see below), whose sum is σ = 167510628. Its totient is φ = 55403520.

The previous prime is 111240391. The next prime is 111240413. The reversal of 111240394 is 493042111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65853225 + 45387169 = 8115^2 + 6737^2 .

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 (111240391) 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, 107697 + ... + 108724.

Almost surely, 2^111240394 is an apocalyptic number.

111240394 is a deficient number, since it is larger than the sum of its proper divisors (56270234).

111240394 is a wasteful number, since it uses less digits than its factorization.

111240394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216680.

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

The square root of 111240394 is about 10547.0561769624. The cubic root of 111240394 is about 480.9362426892.

The spelling of 111240394 in words is "one hundred eleven million, two hundred forty thousand, three hundred ninety-four".