112920940 has 24 divisors (see below), whose sum is σ = 258692112. Its totient is φ = 41062080.

The previous prime is 112920911. The next prime is 112920947. The reversal of 112920940 is 49029211.

It is a happy number.

It is a super-2 number, since 2×112920940² = 25502277380967200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112920899 and 112920908.

It is not an unprimeable number, because it can be changed into a prime (112920947) 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, 256419 + ... + 256858.

It is an arithmetic number, because the mean of its divisors is an integer number (10778838).

Almost surely, 2^112920940 is an apocalyptic number.

112920940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112920940 is an abundant number, since it is smaller than the sum of its proper divisors (145771172).

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

112920940 is a wasteful number, since it uses less digits than its factorization.

112920940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513297 (or 513295 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 112920940 is about 10626.4264924762. The cubic root of 112920940 is about 483.3460363949.

The spelling of 112920940 in words is "one hundred twelve million, nine hundred twenty thousand, nine hundred forty".