112421025 has 18 divisors (see below), whose sum is σ = 201358950. Its totient is φ = 59957760.

The previous prime is 112421021. The next prime is 112421027. The reversal of 112421025 is 520124211.

It can be written as a sum of positive squares in 3 ways, for example, as 14470416 + 97950609 = 3804^2 + 9897^2 .

It is not a de Polignac number, because 112421025 - 2² = 112421021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112420989 and 112421007.

It is not an unprimeable number, because it can be changed into a prime (112421021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 249600 + ... + 250049.

Almost surely, 2^112421025 is an apocalyptic number.

112421025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112421025 is a deficient number, since it is larger than the sum of its proper divisors (88937925).

112421025 is a wasteful number, since it uses less digits than its factorization.

112421025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499665 (or 499657 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 112421025 is about 10602.8781469939. The cubic root of 112421025 is about 482.6317036013.

Adding to 112421025 its reverse (520124211), we get a palindrome (632545236).

The spelling of 112421025 in words is "one hundred twelve million, four hundred twenty-one thousand, twenty-five".