126928317 has 4 divisors (see below), whose sum is σ = 169237760. Its totient is φ = 84618876.

The previous prime is 126928297. The next prime is 126928327. The reversal of 126928317 is 713829621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 126928317 - 2⁶ = 126928253 is a prime.

It is a super-2 number, since 2×126928317² = 32221595312904978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126928327) 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, 21154717 + ... + 21154722.

It is an arithmetic number, because the mean of its divisors is an integer number (42309440).

Almost surely, 2^126928317 is an apocalyptic number.

It is an amenable number.

126928317 is a deficient number, since it is larger than the sum of its proper divisors (42309443).

126928317 is an equidigital number, since it uses as much as digits as its factorization.

126928317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42309442.

The product of its digits is 36288, while the sum is 39.

The square root of 126928317 is about 11266.2468018413. The cubic root of 126928317 is about 502.5579804883.

The spelling of 126928317 in words is "one hundred twenty-six million, nine hundred twenty-eight thousand, three hundred seventeen".