122527919161 has 2 divisors, whose sum is σ = 122527919162. Its totient is φ = 122527919160.

The previous prime is 122527919149. The next prime is 122527919167. The reversal of 122527919161 is 161919725221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79562920761 + 42964998400 = 282069^2 + 207280^2 .

It is a cyclic number.

It is not a de Polignac number, because 122527919161 - 2⁹ = 122527918649 is a prime.

It is not a weakly prime, because it can be changed into another prime (122527919167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61263959580 + 61263959581.

It is an arithmetic number, because the mean of its divisors is an integer number (61263959581).

Almost surely, 2^122527919161 is an apocalyptic number.

It is an amenable number.

122527919161 is a deficient number, since it is larger than the sum of its proper divisors (1).

122527919161 is an equidigital number, since it uses as much as digits as its factorization.

122527919161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 46.

The spelling of 122527919161 in words is "one hundred twenty-two billion, five hundred twenty-seven million, nine hundred nineteen thousand, one hundred sixty-one".