122765172235567 has 8 divisors (see below), whose sum is σ = 124155523077120. Its totient is φ = 121375065102720.

The previous prime is 122765172235547. The next prime is 122765172235571. The reversal of 122765172235567 is 765532271567221.

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

It is a cyclic number.

It is not a de Polignac number, because 122765172235567 - 2⁷ = 122765172235439 is a prime.

It is a super-2 number, since 2×122765172235567² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122765172235547) 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, 59913903 + ... + 61929040.

It is an arithmetic number, because the mean of its divisors is an integer number (15519440384640).

Almost surely, 2^{122765172235567} is an apocalyptic number.

122765172235567 is a deficient number, since it is larger than the sum of its proper divisors (1390350841553).

122765172235567 is a wasteful number, since it uses less digits than its factorization.

122765172235567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121854353.

The product of its digits is 74088000, while the sum is 61.

The spelling of 122765172235567 in words is "one hundred twenty-two trillion, seven hundred sixty-five billion, one hundred seventy-two million, two hundred thirty-five thousand, five hundred sixty-seven".