126463199 has 4 divisors (see below), whose sum is σ = 127986936. Its totient is φ = 124939464.

The previous prime is 126463163. The next prime is 126463219. The reversal of 126463199 is 991364621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126463199 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126463399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761744 + ... + 761909.

It is an arithmetic number, because the mean of its divisors is an integer number (31996734).

Almost surely, 2^126463199 is an apocalyptic number.

126463199 is a deficient number, since it is larger than the sum of its proper divisors (1523737).

126463199 is an equidigital number, since it uses as much as digits as its factorization.

126463199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523736.

The product of its digits is 69984, while the sum is 41.

The square root of 126463199 is about 11245.5857561979. The cubic root of 126463199 is about 501.9433688491.

The spelling of 126463199 in words is "one hundred twenty-six million, four hundred sixty-three thousand, one hundred ninety-nine".