126797899 has 2 divisors, whose sum is σ = 126797900. Its totient is φ = 126797898.

The previous prime is 126797897. The next prime is 126797929. The reversal of 126797899 is 998797621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126797899 - 2¹ = 126797897 is a prime.

Together with 126797897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126797893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63398949 + 63398950.

It is an arithmetic number, because the mean of its divisors is an integer number (63398950).

Almost surely, 2^126797899 is an apocalyptic number.

126797899 is a deficient number, since it is larger than the sum of its proper divisors (1).

126797899 is an equidigital number, since it uses as much as digits as its factorization.

126797899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 58.

The square root of 126797899 is about 11260.4573175338. The cubic root of 126797899 is about 502.3857965100.

The spelling of 126797899 in words is "one hundred twenty-six million, seven hundred ninety-seven thousand, eight hundred ninety-nine".