122736511052777 has 4 divisors (see below), whose sum is σ = 122748377688960. Its totient is φ = 122724644416596.

The previous prime is 122736511052747. The next prime is 122736511052807. The reversal of 122736511052777 is 777250115637221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (122736511052747) and next prime (122736511052807).

It is a cyclic number.

It is not a de Polignac number, because 122736511052777 - 2⁸ = 122736511052521 is a prime.

It is a super-2 number, since 2×122736511052777² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122736511052737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933302577 + ... + 5933323262.

It is an arithmetic number, because the mean of its divisors is an integer number (30687094422240).

Almost surely, 2^{122736511052777} is an apocalyptic number.

It is an amenable number.

122736511052777 is a deficient number, since it is larger than the sum of its proper divisors (11866636183).

122736511052777 is a wasteful number, since it uses less digits than its factorization.

122736511052777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866636182.

The product of its (nonzero) digits is 8643600, while the sum is 56.

Adding to 122736511052777 its reverse (777250115637221), we get a palindrome (899986626689998).

The spelling of 122736511052777 in words is "one hundred twenty-two trillion, seven hundred thirty-six billion, five hundred eleven million, fifty-two thousand, seven hundred seventy-seven".