126166417 has 8 divisors (see below), whose sum is σ = 135959040. Its totient is φ = 116386320.

The previous prime is 126166399. The next prime is 126166423. The reversal of 126166417 is 714661621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126166417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126166217) 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, 35742 + ... + 39112.

It is an arithmetic number, because the mean of its divisors is an integer number (16994880).

Almost surely, 2^126166417 is an apocalyptic number.

It is an amenable number.

126166417 is a deficient number, since it is larger than the sum of its proper divisors (9792623).

126166417 is a wasteful number, since it uses less digits than its factorization.

126166417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263.

The product of its digits is 12096, while the sum is 34.

The square root of 126166417 is about 11232.3825166347. The cubic root of 126166417 is about 501.5504101543.

The spelling of 126166417 in words is "one hundred twenty-six million, one hundred sixty-six thousand, four hundred seventeen".