126767946241 has 4 divisors (see below), whose sum is σ = 127424775172. Its totient is φ = 126111117312.

The previous prime is 126767946203. The next prime is 126767946271. The reversal of 126767946241 is 142649767621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142649767621 = 3371 ⋅42316751.

It can be written as a sum of positive squares in 2 ways, for example, as 71673998400 + 55093947841 = 267720^2 + 234721^2 .

It is a cyclic number.

It is not a de Polignac number, because 126767946241 - 2¹³ = 126767938049 is a prime.

It is a super-2 number, since 2×126767946241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126767946271) 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, 328414176 + ... + 328414561.

It is an arithmetic number, because the mean of its divisors is an integer number (31856193793).

Almost surely, 2^126767946241 is an apocalyptic number.

It is an amenable number.

126767946241 is a deficient number, since it is larger than the sum of its proper divisors (656828931).

126767946241 is an equidigital number, since it uses as much as digits as its factorization.

126767946241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656828930.

The product of its digits is 6096384, while the sum is 55.

The spelling of 126767946241 in words is "one hundred twenty-six billion, seven hundred sixty-seven million, nine hundred forty-six thousand, two hundred forty-one".