112521925 has 6 divisors (see below), whose sum is σ = 139527218. Its totient is φ = 90017520.

The previous prime is 112521923. The next prime is 112521931. The reversal of 112521925 is 529125211.

It can be written as a sum of positive squares in 3 ways, for example, as 16305444 + 96216481 = 4038^2 + 9809^2 .

It is not a de Polignac number, because 112521925 - 2¹ = 112521923 is a prime.

It is a super-2 number, since 2×112521925² = 25322367211411250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112521893 and 112521902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112521923) 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, 2250414 + ... + 2250463.

Almost surely, 2^112521925 is an apocalyptic number.

It is an amenable number.

112521925 is a deficient number, since it is larger than the sum of its proper divisors (27005293).

112521925 is an equidigital number, since it uses as much as digits as its factorization.

112521925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500887 (or 4500882 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 112521925 is about 10607.6352218579. The cubic root of 112521925 is about 482.7760507913.

The spelling of 112521925 in words is "one hundred twelve million, five hundred twenty-one thousand, nine hundred twenty-five".