122535111977 has 2 divisors, whose sum is σ = 122535111978. Its totient is φ = 122535111976.

The previous prime is 122535111973. The next prime is 122535112001. The reversal of 122535111977 is 779111535221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121901532736 + 633579241 = 349144^2 + 25171^2 .

It is a cyclic number.

It is not a de Polignac number, because 122535111977 - 2² = 122535111973 is a prime.

It is not a weakly prime, because it can be changed into another prime (122535111973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61267555988 + 61267555989.

It is an arithmetic number, because the mean of its divisors is an integer number (61267555989).

Almost surely, 2^122535111977 is an apocalyptic number.

It is an amenable number.

122535111977 is a deficient number, since it is larger than the sum of its proper divisors (1).

122535111977 is an equidigital number, since it uses as much as digits as its factorization.

122535111977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 44.

The spelling of 122535111977 in words is "one hundred twenty-two billion, five hundred thirty-five million, one hundred eleven thousand, nine hundred seventy-seven".