126171417 has 8 divisors (see below), whose sum is σ = 172141024. Its totient is φ = 82158048.

The previous prime is 126171407. The next prime is 126171421. The reversal of 126171417 is 714171621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126171417 - 2⁷ = 126171289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126171407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488908 + ... + 489165.

It is an arithmetic number, because the mean of its divisors is an integer number (21517628).

Almost surely, 2^126171417 is an apocalyptic number.

It is an amenable number.

126171417 is a deficient number, since it is larger than the sum of its proper divisors (45969607).

126171417 is an equidigital number, since it uses as much as digits as its factorization.

126171417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978119.

The product of its digits is 2352, while the sum is 30.

The square root of 126171417 is about 11232.6050851973. The cubic root of 126171417 is about 501.5570355806.

The spelling of 126171417 in words is "one hundred twenty-six million, one hundred seventy-one thousand, four hundred seventeen".