122712575 has 6 divisors (see below), whose sum is σ = 152163624. Its totient is φ = 98170040.

The previous prime is 122712571. The next prime is 122712581. The reversal of 122712575 is 575217221.

It is not a de Polignac number, because 122712575 - 2² = 122712571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122712571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2454227 + ... + 2454276.

It is an arithmetic number, because the mean of its divisors is an integer number (25360604).

Almost surely, 2^122712575 is an apocalyptic number.

122712575 is a deficient number, since it is larger than the sum of its proper divisors (29451049).

122712575 is an equidigital number, since it uses as much as digits as its factorization.

122712575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908513 (or 4908508 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 122712575 is about 11077.5708077177. The cubic root of 122712575 is about 496.9313047490.

Adding to 122712575 its reverse (575217221), we get a palindrome (697929796).

The spelling of 122712575 in words is "one hundred twenty-two million, seven hundred twelve thousand, five hundred seventy-five".