111534042 has 32 divisors (see below), whose sum is σ = 239531904. Its totient is φ = 34496000.

The previous prime is 111534037. The next prime is 111534053. The reversal of 111534042 is 240435111.

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, 459 + ... + 14942.

It is an arithmetic number, because the mean of its divisors is an integer number (7485372).

Almost surely, 2^111534042 is an apocalyptic number.

111534042 is an abundant number, since it is smaller than the sum of its proper divisors (127997862).

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

111534042 is a wasteful number, since it uses less digits than its factorization.

111534042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15494.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 111534042 is about 10560.9678533740. The cubic root of 111534042 is about 481.3590563665.

Adding to 111534042 its reverse (240435111), we get a palindrome (351969153).

The spelling of 111534042 in words is "one hundred eleven million, five hundred thirty-four thousand, forty-two".