111402042 has 32 divisors (see below), whose sum is σ = 229692672. Its totient is φ = 35993664.

The previous prime is 111402013. The next prime is 111402077. The reversal of 111402042 is 240204111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69583 + ... + 71165.

It is an arithmetic number, because the mean of its divisors is an integer number (7177896).

Almost surely, 2^111402042 is an apocalyptic number.

111402042 is an abundant number, since it is smaller than the sum of its proper divisors (118290630).

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

111402042 is a wasteful number, since it uses less digits than its factorization.

111402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 111402042 is about 10554.7165760147. The cubic root of 111402042 is about 481.1690860310.

Adding to 111402042 its reverse (240204111), we get a palindrome (351606153).

The spelling of 111402042 in words is "one hundred eleven million, four hundred two thousand, forty-two".