122312525 has 6 divisors (see below), whose sum is σ = 151667562. Its totient is φ = 97850000.

The previous prime is 122312521. The next prime is 122312549. The reversal of 122312525 is 525213221.

It can be written as a sum of positive squares in 3 ways, for example, as 850084 + 121462441 = 922^2 + 11021^2 .

It is not a de Polignac number, because 122312525 - 2² = 122312521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122312525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2446226 + ... + 2446275.

It is an arithmetic number, because the mean of its divisors is an integer number (25277927).

Almost surely, 2^122312525 is an apocalyptic number.

It is an amenable number.

122312525 is a deficient number, since it is larger than the sum of its proper divisors (29355037).

122312525 is an equidigital number, since it uses as much as digits as its factorization.

122312525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892511 (or 4892506 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 122312525 is about 11059.4993105475. The cubic root of 122312525 is about 496.3907087239.

Adding to 122312525 its reverse (525213221), we get a palindrome (647525746).

The spelling of 122312525 in words is "one hundred twenty-two million, three hundred twelve thousand, five hundred twenty-five".