126762671585507 has 2 divisors, whose sum is σ = 126762671585508. Its totient is φ = 126762671585506.

The previous prime is 126762671585351. The next prime is 126762671585531. The reversal of 126762671585507 is 705585176267621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126762671585507 - 2¹⁴ = 126762671569123 is a prime.

It is a super-2 number, since 2×126762671585507² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126762671485507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63381335792753 + 63381335792754.

It is an arithmetic number, because the mean of its divisors is an integer number (63381335792754).

Almost surely, 2^{126762671585507} is an apocalyptic number.

126762671585507 is a deficient number, since it is larger than the sum of its proper divisors (1).

126762671585507 is an equidigital number, since it uses as much as digits as its factorization.

126762671585507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352000, while the sum is 68.

The spelling of 126762671585507 in words is "one hundred twenty-six trillion, seven hundred sixty-two billion, six hundred seventy-one million, five hundred eighty-five thousand, five hundred seven".