122425125 has 16 divisors (see below), whose sum is σ = 203716032. Its totient is φ = 65293200.

The previous prime is 122425123. The next prime is 122425129. The reversal of 122425125 is 521524221.

It is not a de Polignac number, because 122425125 - 2¹ = 122425123 is a prime.

It is a super-2 number, since 2×122425125² = 29975822462531250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122425095 and 122425104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122425123) 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 15 ways as a sum of consecutive naturals, for example, 162859 + ... + 163608.

It is an arithmetic number, because the mean of its divisors is an integer number (12732252).

Almost surely, 2^122425125 is an apocalyptic number.

122425125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122425125 is a deficient number, since it is larger than the sum of its proper divisors (81290907).

122425125 is an equidigital number, since it uses as much as digits as its factorization.

122425125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326485 (or 326475 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 122425125 is about 11064.5887858519. The cubic root of 122425125 is about 496.5429865352.

Adding to 122425125 its reverse (521524221), we get a palindrome (643949346).

The spelling of 122425125 in words is "one hundred twenty-two million, four hundred twenty-five thousand, one hundred twenty-five".