126404959 has 2 divisors, whose sum is σ = 126404960. Its totient is φ = 126404958.

The previous prime is 126404923. The next prime is 126404981. The reversal of 126404959 is 959404621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126404959 - 2¹¹ = 126402911 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126404989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63202479 + 63202480.

It is an arithmetic number, because the mean of its divisors is an integer number (63202480).

Almost surely, 2^126404959 is an apocalyptic number.

126404959 is a deficient number, since it is larger than the sum of its proper divisors (1).

126404959 is an equidigital number, since it uses as much as digits as its factorization.

126404959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 126404959 is about 11242.9959975088. The cubic root of 126404959 is about 501.8663038194.

The spelling of 126404959 in words is "one hundred twenty-six million, four hundred four thousand, nine hundred fifty-nine".