122447505625 has 15 divisors (see below), whose sum is σ = 153021335467. Its totient is φ = 97951006000.

The previous prime is 122447505611. The next prime is 122447505679. The reversal of 122447505625 is 526505744221.

The square root of 122447505625 is 349925.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 95497686729 + 26949818896 = 309027^2 + 164164^2 .

It is not a de Polignac number, because 122447505625 - 2¹⁹ = 122446981337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8741127 + ... + 8755123.

Almost surely, 2^122447505625 is an apocalyptic number.

122447505625 is the 349925-th square number.

122447505625 is the 174963-rd centered octagonal number.

It is an amenable number.

122447505625 is a deficient number, since it is larger than the sum of its proper divisors (30573829842).

122447505625 is an frugal number, since it uses more digits than its factorization.

122447505625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28014 (or 14002 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 122447505625 in words is "one hundred twenty-two billion, four hundred forty-seven million, five hundred five thousand, six hundred twenty-five".