126673329 has 8 divisors (see below), whose sum is σ = 168953472. Its totient is φ = 84421040.

The previous prime is 126673297. The next prime is 126673343. The reversal of 126673329 is 923376621.

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 126673329 - 2⁵ = 126673297 is a prime.

It is a super-2 number, since 2×126673329² = 32092264559884482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126673529) 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, 8659 + ... + 18119.

It is an arithmetic number, because the mean of its divisors is an integer number (21119184).

Almost surely, 2^126673329 is an apocalyptic number.

It is an amenable number.

126673329 is a deficient number, since it is larger than the sum of its proper divisors (42280143).

126673329 is an equidigital number, since it uses as much as digits as its factorization.

126673329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927.

The product of its digits is 81648, while the sum is 39.

The square root of 126673329 is about 11254.9246554564. The cubic root of 126673329 is about 502.2212230574.

The spelling of 126673329 in words is "one hundred twenty-six million, six hundred seventy-three thousand, three hundred twenty-nine".