112561638 has 16 divisors (see below), whose sum is σ = 257283840. Its totient is φ = 32160456.

The previous prime is 112561627. The next prime is 112561639. The reversal of 112561638 is 836165211.

It is a junction number, because it is equal to n+sod(n) for n = 112561599 and 112561608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112561639) 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, 1339978 + ... + 1340061.

It is an arithmetic number, because the mean of its divisors is an integer number (16080240).

Almost surely, 2^112561638 is an apocalyptic number.

112561638 is an abundant number, since it is smaller than the sum of its proper divisors (144722202).

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

112561638 is a wasteful number, since it uses less digits than its factorization.

112561638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680051.

The product of its digits is 8640, while the sum is 33.

The square root of 112561638 is about 10609.5069630968. The cubic root of 112561638 is about 482.8328404057.

The spelling of 112561638 in words is "one hundred twelve million, five hundred sixty-one thousand, six hundred thirty-eight".