122736511052738 has 16 divisors (see below), whose sum is σ = 202618922514336. Its totient is φ = 55295612379840.

The previous prime is 122736511052737. The next prime is 122736511052747. The reversal of 122736511052738 is 837250115637221.

It is a super-2 number, since 2×122736511052738² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122736511052738.

It is not an unprimeable number, because it can be changed into a prime (122736511052731) 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, 24685538756 + ... + 24685543727.

It is an arithmetic number, because the mean of its divisors is an integer number (12663682657146).

Almost surely, 2^{122736511052738} is an apocalyptic number.

122736511052738 is a deficient number, since it is larger than the sum of its proper divisors (79882411461598).

122736511052738 is a wasteful number, since it uses less digits than its factorization.

122736511052738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49371082609.

The product of its (nonzero) digits is 4233600, while the sum is 53.

Adding to 122736511052738 its reverse (837250115637221), we get a palindrome (959986626689959).

The spelling of 122736511052738 in words is "one hundred twenty-two trillion, seven hundred thirty-six billion, five hundred eleven million, fifty-two thousand, seven hundred thirty-eight".