4126691 has 8 divisors (see below), whose sum is σ = 4254768. Its totient is φ = 4000000.

The previous prime is 4126657. The next prime is 4126693. The reversal of 4126691 is 1966214.

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

It is a 8-Lehmer number, since φ(4126691) divides (4126691-1)⁸.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4126691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4126693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10091 + ... + 10491.

It is an arithmetic number, because the mean of its divisors is an integer number (531846).

Almost surely, 2^4126691 is an apocalyptic number.

4126691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

4126691 is a deficient number, since it is larger than the sum of its proper divisors (128077).

4126691 is a wasteful number, since it uses less digits than its factorization.

4126691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693.

The product of its digits is 2592, while the sum is 29.

The square root of 4126691 is about 2031.4258539263. The cubic root of 4126691 is about 160.3986284172.

The spelling of 4126691 in words is "four million, one hundred twenty-six thousand, six hundred ninety-one".