112451521 has 16 divisors (see below), whose sum is σ = 141232000. Its totient is φ = 88969104.

The previous prime is 112451513. The next prime is 112451533. The reversal of 112451521 is 125154211.

It is not a de Polignac number, because 112451521 - 2³ = 112451513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112451492 and 112451501.

It is not an unprimeable number, because it can be changed into a prime (112451501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8151 + ... + 17068.

It is an arithmetic number, because the mean of its divisors is an integer number (8827000).

Almost surely, 2^112451521 is an apocalyptic number.

It is an amenable number.

112451521 is a deficient number, since it is larger than the sum of its proper divisors (28780479).

112451521 is an equidigital number, since it uses as much as digits as its factorization.

112451521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25253 (or 25239 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 112451521 is about 10604.3161495685. The cubic root of 112451521 is about 482.6753401772.

The spelling of 112451521 in words is "one hundred twelve million, four hundred fifty-one thousand, five hundred twenty-one".