126332643 has 8 divisors (see below), whose sum is σ = 170816256. Its totient is φ = 83035400.

The previous prime is 126332639. The next prime is 126332669. The reversal of 126332643 is 346233621.

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 126332643 - 2² = 126332639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126332643.

It is not an unprimeable number, because it can be changed into a prime (126332683) 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 7 ways as a sum of consecutive naturals, for example, 296343 + ... + 296768.

It is an arithmetic number, because the mean of its divisors is an integer number (21352032).

Almost surely, 2^126332643 is an apocalyptic number.

126332643 is a deficient number, since it is larger than the sum of its proper divisors (44483613).

126332643 is an equidigital number, since it uses as much as digits as its factorization.

126332643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593185.

The product of its digits is 15552, while the sum is 30.

The square root of 126332643 is about 11239.7794907196. The cubic root of 126332643 is about 501.7705800252.

The spelling of 126332643 in words is "one hundred twenty-six million, three hundred thirty-two thousand, six hundred forty-three".