122971544737 has 2 divisors, whose sum is σ = 122971544738. Its totient is φ = 122971544736.

The previous prime is 122971544701. The next prime is 122971544803. The reversal of 122971544737 is 737445179221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115110239841 + 7861304896 = 339279^2 + 88664^2 .

It is a cyclic number.

It is not a de Polignac number, because 122971544737 - 2³¹ = 120824061089 is a prime.

It is not a weakly prime, because it can be changed into another prime (122971545737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61485772368 + 61485772369.

It is an arithmetic number, because the mean of its divisors is an integer number (61485772369).

Almost surely, 2^122971544737 is an apocalyptic number.

It is an amenable number.

122971544737 is a deficient number, since it is larger than the sum of its proper divisors (1).

122971544737 is an equidigital number, since it uses as much as digits as its factorization.

122971544737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 52.

The spelling of 122971544737 in words is "one hundred twenty-two billion, nine hundred seventy-one million, five hundred forty-four thousand, seven hundred thirty-seven".