126363899 has 8 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 124033000.

The previous prime is 126363893. The next prime is 126363911. The reversal of 126363899 is 998363621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126363899 - 2¹² = 126359803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126363893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52574 + ... + 54924.

It is an arithmetic number, because the mean of its divisors is an integer number (16087680).

Almost surely, 2^126363899 is an apocalyptic number.

126363899 is a deficient number, since it is larger than the sum of its proper divisors (2337541).

126363899 is an equidigital number, since it uses as much as digits as its factorization.

126363899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321.

The product of its digits is 419904, while the sum is 47.

The square root of 126363899 is about 11241.1698234659. The cubic root of 126363899 is about 501.8119576867.

The spelling of 126363899 in words is "one hundred twenty-six million, three hundred sixty-three thousand, eight hundred ninety-nine".