126275879 has 2 divisors, whose sum is σ = 126275880. Its totient is φ = 126275878.

The previous prime is 126275869. The next prime is 126275893. The reversal of 126275879 is 978572621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126275879 - 2⁸ = 126275623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126275869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63137939 + 63137940.

It is an arithmetic number, because the mean of its divisors is an integer number (63137940).

Almost surely, 2^126275879 is an apocalyptic number.

126275879 is a deficient number, since it is larger than the sum of its proper divisors (1).

126275879 is an equidigital number, since it uses as much as digits as its factorization.

126275879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 126275879 is about 11237.2540684991. The cubic root of 126275879 is about 501.6954166271.

The spelling of 126275879 in words is "one hundred twenty-six million, two hundred seventy-five thousand, eight hundred seventy-nine".