112590640 has 20 divisors (see below), whose sum is σ = 261773424. Its totient is φ = 45036224.

The previous prime is 112590631. The next prime is 112590679. The reversal of 112590640 is 46095211.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 112590599 and 112590608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703612 + ... + 703771.

Almost surely, 2^112590640 is an apocalyptic number.

112590640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112590640 is an abundant number, since it is smaller than the sum of its proper divisors (149182784).

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

112590640 is a wasteful number, since it uses less digits than its factorization.

112590640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407396 (or 1407390 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 112590640 is about 10610.8736680822. The cubic root of 112590640 is about 482.8743048448.

The spelling of 112590640 in words is "one hundred twelve million, five hundred ninety thousand, six hundred forty".