122736511052742 has 16 divisors (see below), whose sum is σ = 245615656072752. Its totient is φ = 40888398023040.

The previous prime is 122736511052737. The next prime is 122736511052747. The reversal of 122736511052742 is 247250115637221.

It is an interprime number because it is at equal distance from previous prime (122736511052737) and next prime (122736511052747).

It is a super-2 number, since 2×122736511052742² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122736511052691 and 122736511052700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122736511052747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5943070783 + ... + 5943091434.

It is an arithmetic number, because the mean of its divisors is an integer number (15350978504547).

Almost surely, 2^{122736511052742} is an apocalyptic number.

122736511052742 is an abundant number, since it is smaller than the sum of its proper divisors (122879145020010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122736511052742 is a wasteful number, since it uses less digits than its factorization.

122736511052742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11886163943.

The product of its (nonzero) digits is 1411200, while the sum is 48.

Adding to 122736511052742 its reverse (247250115637221), we get a palindrome (369986626689963).

The spelling of 122736511052742 in words is "one hundred twenty-two trillion, seven hundred thirty-six billion, five hundred eleven million, fifty-two thousand, seven hundred forty-two".