122425 has 12 divisors (see below), whose sum is σ = 156240. Its totient is φ = 95120.

The previous prime is 122401. The next prime is 122443. The reversal of 122425 is 524221.

It is not a de Polignac number, because 122425 - 2⁵ = 122393 is a prime.

122425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 122399 and 122408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1434 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2¹²²⁴²⁵ is an apocalyptic number.

It is an amenable number.

122425 is a deficient number, since it is larger than the sum of its proper divisors (33815).

122425 is an equidigital number, since it uses as much as digits as its factorization.

122425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 147 counting only the distinct ones).

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

The square root of 122425 is about 349.8928407384. The cubic root of 122425 is about 49.6542817540.

Subtracting from 122425 its product of digits (160), we obtain a triangular number (122265 = T₄₉₄).

Adding to 122425 its reverse (524221), we get a palindrome (646646).

The spelling of 122425 in words is "one hundred twenty-two thousand, four hundred twenty-five".