122552156870657 has 2 divisors, whose sum is σ = 122552156870658. Its totient is φ = 122552156870656.

The previous prime is 122552156870593. The next prime is 122552156870681. The reversal of 122552156870657 is 756078651255221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122036562504256 + 515594366401 = 11047016^2 + 718049^2 .

It is a cyclic number.

It is not a de Polignac number, because 122552156870657 - 2⁶ = 122552156870593 is a prime.

It is a super-2 number, since 2×122552156870657² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122552156870657.

It is not a weakly prime, because it can be changed into another prime (122552156870257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61276078435328 + 61276078435329.

It is an arithmetic number, because the mean of its divisors is an integer number (61276078435329).

Almost surely, 2^{122552156870657} is an apocalyptic number.

It is an amenable number.

122552156870657 is a deficient number, since it is larger than the sum of its proper divisors (1).

122552156870657 is an equidigital number, since it uses as much as digits as its factorization.

122552156870657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560000, while the sum is 62.

The spelling of 122552156870657 in words is "one hundred twenty-two trillion, five hundred fifty-two billion, one hundred fifty-six million, eight hundred seventy thousand, six hundred fifty-seven".