1217341 has 4 divisors (see below), whose sum is σ = 1219932. Its totient is φ = 1214752.

The previous prime is 1217329. The next prime is 1217351. The reversal of 1217341 is 1437121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 1092025 = 354^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1217341 - 2⁵ = 1217309 is a prime.

It is a super-2 number, since 2×1217341² = 2963838220562, which contains 22 as substring.

It is a Duffinian number.

1217341 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370 + ... + 1603.

It is an arithmetic number, because the mean of its divisors is an integer number (304983).

2^1217341 is an apocalyptic number.

It is an amenable number.

1217341 is a deficient number, since it is larger than the sum of its proper divisors (2591).

1217341 is an equidigital number, since it uses as much as digits as its factorization.

1217341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590.

The product of its digits is 168, while the sum is 19.

The square root of 1217341 is about 1103.3317724057. The cubic root of 1217341 is about 106.7752875720.

The spelling of 1217341 in words is "one million, two hundred seventeen thousand, three hundred forty-one".