112515621 has 8 divisors (see below), whose sum is σ = 155194080. Its totient is φ = 72423792.

The previous prime is 112515583. The next prime is 112515653. The reversal of 112515621 is 126515211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112515621 - 2⁷ = 112515493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112515591 and 112515600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112515691) 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, 646555 + ... + 646728.

It is an arithmetic number, because the mean of its divisors is an integer number (19399260).

Almost surely, 2^112515621 is an apocalyptic number.

It is an amenable number.

112515621 is a deficient number, since it is larger than the sum of its proper divisors (42678459).

112515621 is a wasteful number, since it uses less digits than its factorization.

112515621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293315.

The product of its digits is 600, while the sum is 24.

The square root of 112515621 is about 10607.3380732397. The cubic root of 112515621 is about 482.7670348386.

The spelling of 112515621 in words is "one hundred twelve million, five hundred fifteen thousand, six hundred twenty-one".