126330563 has 4 divisors (see below), whose sum is σ = 132979560. Its totient is φ = 119681568.

The previous prime is 126330557. The next prime is 126330571. The reversal of 126330563 is 365033621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 126330563 - 2⁶ = 126330499 is a prime.

It is a super-2 number, since 2×126330563² = 31918822295793938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126330593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3324470 + ... + 3324507.

It is an arithmetic number, because the mean of its divisors is an integer number (33244890).

Almost surely, 2^126330563 is an apocalyptic number.

126330563 is a deficient number, since it is larger than the sum of its proper divisors (6648997).

126330563 is an equidigital number, since it uses as much as digits as its factorization.

126330563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648996.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 126330563 is about 11239.6869618331. The cubic root of 126330563 is about 501.7678262145.

The spelling of 126330563 in words is "one hundred twenty-six million, three hundred thirty thousand, five hundred sixty-three".