112905640 has 16 divisors (see below), whose sum is σ = 254037780. Its totient is φ = 45162240.

The previous prime is 112905631. The next prime is 112905641. The reversal of 112905640 is 46509211.

It can be written as a sum of positive squares in 2 ways, for example, as 103917636 + 8988004 = 10194^2 + 2998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112905599 and 112905608.

It is not an unprimeable number, because it can be changed into a prime (112905641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411281 + ... + 1411360.

Almost surely, 2^112905640 is an apocalyptic number.

112905640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112905640 is an abundant number, since it is smaller than the sum of its proper divisors (141132140).

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

112905640 is a wasteful number, since it uses less digits than its factorization.

112905640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822652 (or 2822648 counting only the distinct ones).

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

The square root of 112905640 is about 10625.7065647419. The cubic root of 112905640 is about 483.3242054030.

The spelling of 112905640 in words is "one hundred twelve million, nine hundred five thousand, six hundred forty".