122257133 has 2 divisors, whose sum is σ = 122257134. Its totient is φ = 122257132.

The previous prime is 122257123. The next prime is 122257141. The reversal of 122257133 is 331752221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71605444 + 50651689 = 8462^2 + 7117^2 .

It is a cyclic number.

It is not a de Polignac number, because 122257133 - 2¹⁸ = 121994989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122257123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61128566 + 61128567.

It is an arithmetic number, because the mean of its divisors is an integer number (61128567).

Almost surely, 2^122257133 is an apocalyptic number.

It is an amenable number.

122257133 is a deficient number, since it is larger than the sum of its proper divisors (1).

122257133 is an equidigital number, since it uses as much as digits as its factorization.

122257133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 122257133 is about 11056.9947544529. The cubic root of 122257133 is about 496.3157634803.

The spelling of 122257133 in words is "one hundred twenty-two million, two hundred fifty-seven thousand, one hundred thirty-three".