122387725 has 12 divisors (see below), whose sum is σ = 152058100. Its totient is φ = 97718400.

The previous prime is 122387719. The next prime is 122387729. The reversal of 122387725 is 527783221.

It can be written as a sum of positive squares in 6 ways, for example, as 19881 + 122367844 = 141^2 + 11062^2 .

It is not a de Polignac number, because 122387725 - 2¹⁵ = 122354957 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122387729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9001 + ... + 18049.

Almost surely, 2^122387725 is an apocalyptic number.

It is an amenable number.

122387725 is a deficient number, since it is larger than the sum of its proper divisors (29670375).

122387725 is an equidigital number, since it uses as much as digits as its factorization.

122387725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600 (or 9595 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 122387725 is about 11062.8985803902. The cubic root of 122387725 is about 496.4924179419.

The spelling of 122387725 in words is "one hundred twenty-two million, three hundred eighty-seven thousand, seven hundred twenty-five".