901217 has 4 divisors (see below), whose sum is σ = 914736. Its totient is φ = 887700.

The previous prime is 901213. The next prime is 901247. The reversal of 901217 is 712109.

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 a cyclic number.

It is not a de Polignac number, because 901217 - 2² = 901213 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 901217.

It is not an unprimeable number, because it can be changed into a prime (901211) 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, 6659 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (228684).

2⁹⁰¹²¹⁷ is an apocalyptic number.

It is an amenable number.

901217 is a deficient number, since it is larger than the sum of its proper divisors (13519).

901217 is a wasteful number, since it uses less digits than its factorization.

901217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13518.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 901217 is about 949.3244966817. The cubic root of 901217 is about 96.5924373997.

The spelling of 901217 in words is "nine hundred one thousand, two hundred seventeen".