122001953 has 2 divisors, whose sum is σ = 122001954. Its totient is φ = 122001952.

The previous prime is 122001947. The next prime is 122001967. The reversal of 122001953 is 359100221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116488849 + 5513104 = 10793^2 + 2348^2 .

It is a cyclic number.

It is not a de Polignac number, because 122001953 - 2¹² = 121997857 is a prime.

It is not a weakly prime, because it can be changed into another prime (122001853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000976 + 61000977.

It is an arithmetic number, because the mean of its divisors is an integer number (61000977).

Almost surely, 2^122001953 is an apocalyptic number.

It is an amenable number.

122001953 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001953 is an equidigital number, since it uses as much as digits as its factorization.

122001953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 122001953 is about 11045.4494249895. The cubic root of 122001953 is about 495.9702128856.

The spelling of 122001953 in words is "one hundred twenty-two million, one thousand, nine hundred fifty-three".