122694288065 has 16 divisors (see below), whose sum is σ = 149060835792. Its totient is φ = 96944246784.

The previous prime is 122694288061. The next prime is 122694288113. The reversal of 122694288065 is 560882496221.

It can be written as a sum of positive squares in 8 ways, for example, as 85063729 + 122609224336 = 9223^2 + 350156^2 .

It is a cyclic number.

It is not a de Polignac number, because 122694288065 - 2² = 122694288061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122694287998 and 122694288016.

It is not an unprimeable number, because it can be changed into a prime (122694288061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319664 + ... + 589553.

It is an arithmetic number, because the mean of its divisors is an integer number (9316302237).

Almost surely, 2^122694288065 is an apocalyptic number.

It is an amenable number.

122694288065 is a deficient number, since it is larger than the sum of its proper divisors (26366547727).

122694288065 is a wasteful number, since it uses less digits than its factorization.

122694288065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909556.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 122694288065 in words is "one hundred twenty-two billion, six hundred ninety-four million, two hundred eighty-eight thousand, sixty-five".