425122 has 4 divisors (see below), whose sum is σ = 637686. Its totient is φ = 212560.

The previous prime is 425107. The next prime is 425123. The reversal of 425122 is 221524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 241081 + 184041 = 491^2 + 429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 425096 and 425105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106279 + ... + 106282.

2⁴²⁵¹²² is an apocalyptic number.

425122 is a deficient number, since it is larger than the sum of its proper divisors (212564).

425122 is a wasteful number, since it uses less digits than its factorization.

425122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212563.

The product of its digits is 160, while the sum is 16.

The square root of 425122 is about 652.0138035349. The cubic root of 425122 is about 75.1919232687.

Adding to 425122 its reverse (221524), we get a palindrome (646646).

The spelling of 425122 in words is "four hundred twenty-five thousand, one hundred twenty-two".