122767101461 has 4 divisors (see below), whose sum is σ = 122898123852. Its totient is φ = 122636079072.

The previous prime is 122767101439. The next prime is 122767101487. The reversal of 122767101461 is 164101767221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164101767221 = 7 ⋅23443109603.

It can be written as a sum of positive squares in 2 ways, for example, as 10692800836 + 112074300625 = 103406^2 + 334775^2 .

It is a cyclic number.

It is not a de Polignac number, because 122767101461 - 2³⁴ = 105587232277 is a prime.

It is a super-2 number, since 2×122767101461² (a number of 23 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 (122767101161) 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, 65509790 + ... + 65511663.

It is an arithmetic number, because the mean of its divisors is an integer number (30724530963).

Almost surely, 2^122767101461 is an apocalyptic number.

It is an amenable number.

122767101461 is a deficient number, since it is larger than the sum of its proper divisors (131022391).

122767101461 is an equidigital number, since it uses as much as digits as its factorization.

122767101461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131022390.

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 122767101461 its reverse (164101767221), we get a palindrome (286868868682).

The spelling of 122767101461 in words is "one hundred twenty-two billion, seven hundred sixty-seven million, one hundred one thousand, four hundred sixty-one".