126466921 has 8 divisors (see below), whose sum is σ = 145172160. Its totient is φ = 107921328.

The previous prime is 126466909. The next prime is 126466931. The reversal of 126466921 is 129664621.

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 126466921 - 2⁹ = 126466409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126466931) 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, 38206 + ... + 41383.

It is an arithmetic number, because the mean of its divisors is an integer number (18146520).

Almost surely, 2^126466921 is an apocalyptic number.

It is an amenable number.

126466921 is a deficient number, since it is larger than the sum of its proper divisors (18705239).

126466921 is an equidigital number, since it uses as much as digits as its factorization.

126466921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79823.

The product of its digits is 31104, while the sum is 37.

The square root of 126466921 is about 11245.7512421358. The cubic root of 126466921 is about 501.9482931140.

The spelling of 126466921 in words is "one hundred twenty-six million, four hundred sixty-six thousand, nine hundred twenty-one".