1201317 has 8 divisors (see below), whose sum is σ = 1725024. Its totient is φ = 739248.

The previous prime is 1201309. The next prime is 1201327. The reversal of 1201317 is 7131021.

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

It is not a de Polignac number, because 1201317 - 2³ = 1201309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201296 and 1201305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201307) 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, 15363 + ... + 15440.

It is an arithmetic number, because the mean of its divisors is an integer number (215628).

2^1201317 is an apocalyptic number.

It is an amenable number.

1201317 is a deficient number, since it is larger than the sum of its proper divisors (523707).

1201317 is a wasteful number, since it uses less digits than its factorization.

1201317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30819.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1201317 is about 1096.0460756738. The cubic root of 1201317 is about 106.3047182976.

Adding to 1201317 its reverse (7131021), we get a palindrome (8332338).

The spelling of 1201317 in words is "one million, two hundred one thousand, three hundred seventeen".