123632625 has 16 divisors (see below), whose sum is σ = 205725312. Its totient is φ = 65937200.

The previous prime is 123632617. The next prime is 123632627. The reversal of 123632625 is 526236321.

It is not a de Polignac number, because 123632625 - 2³ = 123632617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123632592 and 123632601.

It is not an unprimeable number, because it can be changed into a prime (123632627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164469 + ... + 165218.

It is an arithmetic number, because the mean of its divisors is an integer number (12857832).

Almost surely, 2^123632625 is an apocalyptic number.

123632625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123632625 is a deficient number, since it is larger than the sum of its proper divisors (82092687).

123632625 is an equidigital number, since it uses as much as digits as its factorization.

123632625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329705 (or 329695 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 123632625 is about 11119.0208651661. The cubic root of 123632625 is about 498.1701447623.

Adding to 123632625 its reverse (526236321), we get a palindrome (649868946).

The spelling of 123632625 in words is "one hundred twenty-three million, six hundred thirty-two thousand, six hundred twenty-five".