122475901 has 2 divisors, whose sum is σ = 122475902. Its totient is φ = 122475900.

The previous prime is 122475893. The next prime is 122475907. The reversal of 122475901 is 109574221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72080100 + 50395801 = 8490^2 + 7099^2 .

It is a cyclic number.

It is not a de Polignac number, because 122475901 - 2³ = 122475893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122475907) 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 as a sum of consecutive naturals, namely, 61237950 + 61237951.

It is an arithmetic number, because the mean of its divisors is an integer number (61237951).

Almost surely, 2^122475901 is an apocalyptic number.

It is an amenable number.

122475901 is a deficient number, since it is larger than the sum of its proper divisors (1).

122475901 is an equidigital number, since it uses as much as digits as its factorization.

122475901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 122475901 is about 11066.8830751933. The cubic root of 122475901 is about 496.6116243573.

The spelling of 122475901 in words is "one hundred twenty-two million, four hundred seventy-five thousand, nine hundred one".