112581642 has 16 divisors (see below), whose sum is σ = 234953280. Its totient is φ = 35895552.

The previous prime is 112581587. The next prime is 112581673. The reversal of 112581642 is 246185211.

It is a super-2 number, since 2×112581642² = 25349252230832328, which contains 22 as substring.

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, 407767 + ... + 408042.

It is an arithmetic number, because the mean of its divisors is an integer number (14684580).

Almost surely, 2^112581642 is an apocalyptic number.

112581642 is an abundant number, since it is smaller than the sum of its proper divisors (122371638).

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

112581642 is a wasteful number, since it uses less digits than its factorization.

112581642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815837.

The product of its digits is 3840, while the sum is 30.

The square root of 112581642 is about 10610.4496605940. The cubic root of 112581642 is about 482.8614410794.

The spelling of 112581642 in words is "one hundred twelve million, five hundred eighty-one thousand, six hundred forty-two".