126772767269429 has 2 divisors, whose sum is σ = 126772767269430. Its totient is φ = 126772767269428.

The previous prime is 126772767269419. The next prime is 126772767269501. The reversal of 126772767269429 is 924962767277621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109106339378404 + 17666427891025 = 10445398^2 + 4203145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126772767269429 is a prime.

It is a super-2 number, since 2×126772767269429² (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 126772767269429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126772767269419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63386383634714 + 63386383634715.

It is an arithmetic number, because the mean of its divisors is an integer number (63386383634715).

Almost surely, 2^{126772767269429} is an apocalyptic number.

It is an amenable number.

126772767269429 is a deficient number, since it is larger than the sum of its proper divisors (1).

126772767269429 is an equidigital number, since it uses as much as digits as its factorization.

126772767269429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688505344, while the sum is 77.

The spelling of 126772767269429 in words is "one hundred twenty-six trillion, seven hundred seventy-two billion, seven hundred sixty-seven million, two hundred sixty-nine thousand, four hundred twenty-nine".