111242604 has 24 divisors (see below), whose sum is σ = 283163328. Its totient is φ = 33709840.

The previous prime is 111242603. The next prime is 111242617. The reversal of 111242604 is 406242111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111242603) 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, 421242 + ... + 421505.

It is an arithmetic number, because the mean of its divisors is an integer number (11798472).

Almost surely, 2^111242604 is an apocalyptic number.

It is an amenable number.

111242604 is an abundant number, since it is smaller than the sum of its proper divisors (171920724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111242604 is a wasteful number, since it uses less digits than its factorization.

111242604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842765 (or 842763 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 111242604 is about 10547.1609450126. The cubic root of 111242604 is about 480.9394275697.

Adding to 111242604 its reverse (406242111), we get a palindrome (517484715).

The spelling of 111242604 in words is "one hundred eleven million, two hundred forty-two thousand, six hundred four".