112640638 has 8 divisors (see below), whose sum is σ = 184321080. Its totient is φ = 51200280.

The previous prime is 112640609. The next prime is 112640641. The reversal of 112640638 is 836046211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2559993 + ... + 2560036.

It is an arithmetic number, because the mean of its divisors is an integer number (23040135).

Almost surely, 2^112640638 is an apocalyptic number.

112640638 is a deficient number, since it is larger than the sum of its proper divisors (71680442).

112640638 is a wasteful number, since it uses less digits than its factorization.

112640638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120042.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 112640638 is about 10613.2293860069. The cubic root of 112640638 is about 482.9457707520.

Adding to 112640638 its reverse (836046211), we get a palindrome (948686849).

The spelling of 112640638 in words is "one hundred twelve million, six hundred forty thousand, six hundred thirty-eight".