112516621 has 16 divisors (see below), whose sum is σ = 134553600. Its totient is φ = 91993968.

The previous prime is 112516609. The next prime is 112516633. The reversal of 112516621 is 126615211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112516609) and next prime (112516633).

It is a cyclic number.

It is not a de Polignac number, because 112516621 - 2⁵ = 112516589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112516601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76390 + ... + 77848.

It is an arithmetic number, because the mean of its divisors is an integer number (8409600).

Almost surely, 2^112516621 is an apocalyptic number.

It is an amenable number.

112516621 is a deficient number, since it is larger than the sum of its proper divisors (22036979).

112516621 is a wasteful number, since it uses less digits than its factorization.

112516621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its digits is 720, while the sum is 25.

The square root of 112516621 is about 10607.3852103146. The cubic root of 112516621 is about 482.7684650566.

The spelling of 112516621 in words is "one hundred twelve million, five hundred sixteen thousand, six hundred twenty-one".