122735664757 has 8 divisors (see below), whose sum is σ = 125253394200. Its totient is φ = 120243239424.

The previous prime is 122735664683. The next prime is 122735664823. The reversal of 122735664757 is 757466537221.

It can be written as a sum of positive squares in 4 ways, for example, as 1440885681 + 121294779076 = 37959^2 + 348274^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122735664757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122735664698 and 122735664707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122735664157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6316228 + ... + 6335629.

It is an arithmetic number, because the mean of its divisors is an integer number (15656674275).

Almost surely, 2^122735664757 is an apocalyptic number.

It is an amenable number.

122735664757 is a deficient number, since it is larger than the sum of its proper divisors (2517729443).

122735664757 is a wasteful number, since it uses less digits than its factorization.

122735664757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652055.

The product of its digits is 14817600, while the sum is 55.

The spelling of 122735664757 in words is "one hundred twenty-two billion, seven hundred thirty-five million, six hundred sixty-four thousand, seven hundred fifty-seven".