126405959 has 2 divisors, whose sum is σ = 126405960. Its totient is φ = 126405958.

The previous prime is 126405943. The next prime is 126405977. The reversal of 126405959 is 959504621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126405959 - 2⁴ = 126405943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126405919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63202979 + 63202980.

It is an arithmetic number, because the mean of its divisors is an integer number (63202980).

Almost surely, 2^126405959 is an apocalyptic number.

126405959 is a deficient number, since it is larger than the sum of its proper divisors (1).

126405959 is an equidigital number, since it uses as much as digits as its factorization.

126405959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 126405959 is about 11243.0404695527. The cubic root of 126405959 is about 501.8676272511.

The spelling of 126405959 in words is "one hundred twenty-six million, four hundred five thousand, nine hundred fifty-nine".