901117 has 16 divisors (see below), whose sum is σ = 1117440. Its totient is φ = 709632.

The previous prime is 901111. The next prime is 901133. The reversal of 901117 is 711109.

It is a happy number.

It is not a de Polignac number, because 901117 - 2¹¹ = 899069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 901094 and 901103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901111) 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 15 ways as a sum of consecutive naturals, for example, 4573 + ... + 4765.

It is an arithmetic number, because the mean of its divisors is an integer number (69840).

2⁹⁰¹¹¹⁷ is an apocalyptic number.

It is an amenable number.

901117 is a deficient number, since it is larger than the sum of its proper divisors (216323).

901117 is a wasteful number, since it uses less digits than its factorization.

901117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 901117 is about 949.2718261910. The cubic root of 901117 is about 96.5888646010.

The spelling of 901117 in words is "nine hundred one thousand, one hundred seventeen".