625122 has 12 divisors (see below), whose sum is σ = 1354470. Its totient is φ = 208368.

The previous prime is 625111. The next prime is 625129. The reversal of 625122 is 221526.

It can be written as a sum of positive squares in only one way, i.e., 622521 + 2601 = 789^2 + 51^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 34729 = 625122 / (6 + 2 + 5 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 625095 and 625104.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625122.

It is not an unprimeable number, because it can be changed into a prime (625129) by changing a digit.

625122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17347 + ... + 17382.

2⁶²⁵¹²² is an apocalyptic number.

625122 is an abundant number, since it is smaller than the sum of its proper divisors (729348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625122 is a wasteful number, since it uses less digits than its factorization.

625122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34737 (or 34734 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 625122 is about 790.6465708520. The cubic root of 625122 is about 85.5043600936.

Adding to 625122 its reverse (221526), we get a palindrome (846648).

It can be divided in two parts, 625 and 122, that added together give a palindrome (747).

The spelling of 625122 in words is "six hundred twenty-five thousand, one hundred twenty-two".