122247953 has 2 divisors, whose sum is σ = 122247954. Its totient is φ = 122247952.

The previous prime is 122247913. The next prime is 122247959. The reversal of 122247953 is 359742221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106151809 + 16096144 = 10303^2 + 4012^2 .

It is a cyclic number.

It is not a de Polignac number, because 122247953 - 2¹² = 122243857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122247959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61123976 + 61123977.

It is an arithmetic number, because the mean of its divisors is an integer number (61123977).

Almost surely, 2^122247953 is an apocalyptic number.

It is an amenable number.

122247953 is a deficient number, since it is larger than the sum of its proper divisors (1).

122247953 is an equidigital number, since it uses as much as digits as its factorization.

122247953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 122247953 is about 11056.5796248207. The cubic root of 122247953 is about 496.3033407757.

The spelling of 122247953 in words is "one hundred twenty-two million, two hundred forty-seven thousand, nine hundred fifty-three".