122530625 has 30 divisors (see below), whose sum is σ = 178157034. Its totient is φ = 84000000.

The previous prime is 122530621. The next prime is 122530627. The reversal of 122530625 is 526035221.

It can be written as a sum of positive squares in 5 ways, for example, as 83192641 + 39337984 = 9121^2 + 6272^2 .

It is not a de Polignac number, because 122530625 - 2² = 122530621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122530594 and 122530603.

It is not an unprimeable number, because it can be changed into a prime (122530621) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 28625 + ... + 32625.

Almost surely, 2^122530625 is an apocalyptic number.

It is an amenable number.

122530625 is a deficient number, since it is larger than the sum of its proper divisors (55626409).

122530625 is an frugal number, since it uses more digits than its factorization.

122530625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4035 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 122530625 is about 11069.3552206079. The cubic root of 122530625 is about 496.6855777574.

Adding to 122530625 its reverse (526035221), we get a palindrome (648565846).

It can be divided in two parts, 1225 and 30625, that multiplied together give a square (37515625 = 6125²).

The spelling of 122530625 in words is "one hundred twenty-two million, five hundred thirty thousand, six hundred twenty-five".