112760021 has 6 divisors (see below), whose sum is σ = 123942966. Its totient is φ = 102509000.

The previous prime is 112760009. The next prime is 112760029. The reversal of 112760021 is 120067211.

It can be written as a sum of positive squares in only one way, i.e., 112678225 + 81796 = 10615^2 + 286^2 .

It is not a de Polignac number, because 112760021 - 2⁶ = 112759957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112759975 and 112760002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112760029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 465830 + ... + 466071.

It is an arithmetic number, because the mean of its divisors is an integer number (20657161).

Almost surely, 2^112760021 is an apocalyptic number.

112760021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112760021 is a deficient number, since it is larger than the sum of its proper divisors (11182945).

112760021 is an equidigital number, since it uses as much as digits as its factorization.

112760021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931923 (or 931912 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 112760021 is about 10618.8521507741. The cubic root of 112760021 is about 483.1163283740.

The spelling of 112760021 in words is "one hundred twelve million, seven hundred sixty thousand, twenty-one".