126697807 has 2 divisors, whose sum is σ = 126697808. Its totient is φ = 126697806.

The previous prime is 126697801. The next prime is 126697817. The reversal of 126697807 is 708796621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126697807 - 2³ = 126697799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126697801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63348903 + 63348904.

It is an arithmetic number, because the mean of its divisors is an integer number (63348904).

Almost surely, 2^126697807 is an apocalyptic number.

126697807 is a deficient number, since it is larger than the sum of its proper divisors (1).

126697807 is an equidigital number, since it uses as much as digits as its factorization.

126697807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 126697807 is about 11256.0120380177. The cubic root of 126697807 is about 502.2535702490.

The spelling of 126697807 in words is "one hundred twenty-six million, six hundred ninety-seven thousand, eight hundred seven".