126295999 has 2 divisors, whose sum is σ = 126296000. Its totient is φ = 126295998.

The previous prime is 126295997. The next prime is 126296017. The reversal of 126295999 is 999592621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126295999 - 2¹ = 126295997 is a prime.

Together with 126295997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126295991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63147999 + 63148000.

It is an arithmetic number, because the mean of its divisors is an integer number (63148000).

Almost surely, 2^126295999 is an apocalyptic number.

126295999 is a deficient number, since it is larger than the sum of its proper divisors (1).

126295999 is an equidigital number, since it uses as much as digits as its factorization.

126295999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 787320, while the sum is 52.

The square root of 126295999 is about 11238.1492693415. The cubic root of 126295999 is about 501.7220608704.

The spelling of 126295999 in words is "one hundred twenty-six million, two hundred ninety-five thousand, nine hundred ninety-nine".