122736511052408 has 32 divisors (see below), whose sum is σ = 251059998597120. Its totient is φ = 55787535612000.

The previous prime is 122736511052383. The next prime is 122736511052471. The reversal of 122736511052408 is 804250115637221.

It is a happy number.

It is a super-2 number, since 2×122736511052408² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19580978 + ... + 25077633.

It is an arithmetic number, because the mean of its divisors is an integer number (7845624956160).

Almost surely, 2^{122736511052408} is an apocalyptic number.

It is an amenable number.

122736511052408 is an abundant number, since it is smaller than the sum of its proper divisors (128323487544712).

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

122736511052408 is a wasteful number, since it uses less digits than its factorization.

122736511052408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44689859 (or 44689855 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

Adding to 122736511052408 its reverse (804250115637221), we get a palindrome (926986626689629).

The spelling of 122736511052408 in words is "one hundred twenty-two trillion, seven hundred thirty-six billion, five hundred eleven million, fifty-two thousand, four hundred eight".