122725225 has 48 divisors (see below), whose sum is σ = 182274048. Its totient is φ = 80216640.

The previous prime is 122725223. The next prime is 122725231. The reversal of 122725225 is 522527221.

It is not a de Polignac number, because 122725225 - 2¹ = 122725223 is a prime.

It is a super-2 number, since 2×122725225² = 30122961702601250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122725193 and 122725202.

It is not an unprimeable number, because it can be changed into a prime (122725223) 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 47 ways as a sum of consecutive naturals, for example, 353502 + ... + 353848.

It is an arithmetic number, because the mean of its divisors is an integer number (3797376).

Almost surely, 2^122725225 is an apocalyptic number.

It is an amenable number.

122725225 is a deficient number, since it is larger than the sum of its proper divisors (59548823).

122725225 is a wasteful number, since it uses less digits than its factorization.

122725225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 449 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 122725225 is about 11078.1417665599. The cubic root of 122725225 is about 496.9483797853.

The spelling of 122725225 in words is "one hundred twenty-two million, seven hundred twenty-five thousand, two hundred twenty-five".