111602442 has 16 divisors (see below), whose sum is σ = 255091392. Its totient is φ = 31886400.

The previous prime is 111602429. The next prime is 111602459. The reversal of 111602442 is 244206111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1328559 + ... + 1328642.

It is an arithmetic number, because the mean of its divisors is an integer number (15943212).

Almost surely, 2^111602442 is an apocalyptic number.

111602442 is an abundant number, since it is smaller than the sum of its proper divisors (143488950).

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

111602442 is a wasteful number, since it uses less digits than its factorization.

111602442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657213.

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

The square root of 111602442 is about 10564.2056965964. The cubic root of 111602442 is about 481.4574365877.

Adding to 111602442 its reverse (244206111), we get a palindrome (355808553).

The spelling of 111602442 in words is "one hundred eleven million, six hundred two thousand, four hundred forty-two".