122256625 has 8 divisors (see below), whose sum is σ = 152576424. Its totient is φ = 97805200.

The previous prime is 122256623. The next prime is 122256727. The reversal of 122256625 is 526652221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1937664 + 120318961 = 1392^2 + 10969^2 .

It is not a de Polignac number, because 122256625 - 2¹ = 122256623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122256623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488902 + ... + 489151.

It is an arithmetic number, because the mean of its divisors is an integer number (19072053).

Almost surely, 2^122256625 is an apocalyptic number.

It is an amenable number.

122256625 is a deficient number, since it is larger than the sum of its proper divisors (30319799).

122256625 is an frugal number, since it uses more digits than its factorization.

122256625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978068 (or 978058 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 122256625 is about 11056.9717825452. The cubic root of 122256625 is about 496.3150760528.

The spelling of 122256625 in words is "one hundred twenty-two million, two hundred fifty-six thousand, six hundred twenty-five".