1201117 has 2 divisors, whose sum is σ = 1201118. Its totient is φ = 1201116.

The previous prime is 1201111. The next prime is 1201141. The reversal of 1201117 is 7111021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 674041 + 527076 = 821^2 + 726^2 .

It is an emirp because it is prime and its reverse (7111021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201117 - 2⁷ = 1200989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201097 and 1201106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600558 + 600559.

It is an arithmetic number, because the mean of its divisors is an integer number (600559).

2^1201117 is an apocalyptic number.

It is an amenable number.

1201117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201117 is an equidigital number, since it uses as much as digits as its factorization.

1201117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1201117 is about 1095.9548348358. The cubic root of 1201117 is about 106.2988186270.

Adding to 1201117 its reverse (7111021), we get a palindrome (8312138).

The spelling of 1201117 in words is "one million, two hundred one thousand, one hundred seventeen".