126299398 has 4 divisors (see below), whose sum is σ = 189449100. Its totient is φ = 63149698.

The previous prime is 126299377. The next prime is 126299413. The reversal of 126299398 is 893992621.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31574848 + ... + 31574851.

It is an arithmetic number, because the mean of its divisors is an integer number (47362275).

Almost surely, 2^126299398 is an apocalyptic number.

126299398 is a deficient number, since it is larger than the sum of its proper divisors (63149702).

126299398 is an equidigital number, since it uses as much as digits as its factorization.

126299398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63149701.

The product of its digits is 419904, while the sum is 49.

The square root of 126299398 is about 11238.3004942918. The cubic root of 126299398 is about 501.7265617730.

The spelling of 126299398 in words is "one hundred twenty-six million, two hundred ninety-nine thousand, three hundred ninety-eight".