122257925 has 12 divisors (see below), whose sum is σ = 151852260. Its totient is φ = 97643520.

The previous prime is 122257907. The next prime is 122258021. The reversal of 122257925 is 529752221.

It can be written as a sum of positive squares in 6 ways, for example, as 9431041 + 112826884 = 3071^2 + 10622^2 .

It is not a de Polignac number, because 122257925 - 2¹⁸ = 121995781 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12581 + ... + 20069.

It is an arithmetic number, because the mean of its divisors is an integer number (12654355).

Almost surely, 2^122257925 is an apocalyptic number.

It is an amenable number.

122257925 is a deficient number, since it is larger than the sum of its proper divisors (29594335).

122257925 is an equidigital number, since it uses as much as digits as its factorization.

122257925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152 (or 8147 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 122257925 is about 11057.0305688281. The cubic root of 122257925 is about 496.3168352139.

The spelling of 122257925 in words is "one hundred twenty-two million, two hundred fifty-seven thousand, nine hundred twenty-five".