126952766701 has 4 divisors (see below), whose sum is σ = 126958089852. Its totient is φ = 126947443552.

The previous prime is 126952766693. The next prime is 126952766729. The reversal of 126952766701 is 107667259621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 107667259621 = 17 ⋅6333368213.

It can be written as a sum of positive squares in 2 ways, for example, as 77712712900 + 49240053801 = 278770^2 + 221901^2 .

It is a cyclic number.

It is not a de Polignac number, because 126952766701 - 2³ = 126952766693 is a prime.

It is a super-2 number, since 2×126952766701² (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 (126952766761) 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, 2625640 + ... + 2673553.

It is an arithmetic number, because the mean of its divisors is an integer number (31739522463).

Almost surely, 2^126952766701 is an apocalyptic number.

It is an amenable number.

126952766701 is a deficient number, since it is larger than the sum of its proper divisors (5323151).

126952766701 is an equidigital number, since it uses as much as digits as its factorization.

126952766701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323150.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 126952766701 in words is "one hundred twenty-six billion, nine hundred fifty-two million, seven hundred sixty-six thousand, seven hundred one".