122140306697 has 2 divisors, whose sum is σ = 122140306698. Its totient is φ = 122140306696.

The previous prime is 122140306627. The next prime is 122140306699. The reversal of 122140306697 is 796603041221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114363006976 + 7777299721 = 338176^2 + 88189^2 .

It is a cyclic number.

It is not a de Polignac number, because 122140306697 - 2³⁶ = 53420829961 is a prime.

Together with 122140306699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122140306699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61070153348 + 61070153349.

It is an arithmetic number, because the mean of its divisors is an integer number (61070153349).

Almost surely, 2^122140306697 is an apocalyptic number.

It is an amenable number.

122140306697 is a deficient number, since it is larger than the sum of its proper divisors (1).

122140306697 is an equidigital number, since it uses as much as digits as its factorization.

122140306697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 122140306697 in words is "one hundred twenty-two billion, one hundred forty million, three hundred six thousand, six hundred ninety-seven".