122787060008831 has 2 divisors, whose sum is σ = 122787060008832. Its totient is φ = 122787060008830.

The previous prime is 122787060008827. The next prime is 122787060008863. The reversal of 122787060008831 is 138800060787221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122787060008831 - 2² = 122787060008827 is a prime.

It is a super-2 number, since 2×122787060008831² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122787060008131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61393530004415 + 61393530004416.

It is an arithmetic number, because the mean of its divisors is an integer number (61393530004416).

Almost surely, 2^{122787060008831} is an apocalyptic number.

122787060008831 is a deficient number, since it is larger than the sum of its proper divisors (1).

122787060008831 is an equidigital number, since it uses as much as digits as its factorization.

122787060008831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 122787060008831 in words is "one hundred twenty-two trillion, seven hundred eighty-seven billion, sixty million, eight thousand, eight hundred thirty-one".