1230817 has 8 divisors (see below), whose sum is σ = 1489536. Its totient is φ = 992832.

The previous prime is 1230791. The next prime is 1230829. The reversal of 1230817 is 7180321.

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

It is a cyclic number.

It is not a de Polignac number, because 1230817 - 2⁷ = 1230689 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231817) 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 7 ways as a sum of consecutive naturals, for example, 5053 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (186192).

2^1230817 is an apocalyptic number.

1230817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1230817 is a deficient number, since it is larger than the sum of its proper divisors (258719).

1230817 is a wasteful number, since it uses less digits than its factorization.

1230817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1230817 is about 1109.4219215429. The cubic root of 1230817 is about 107.1678444155.

The spelling of 1230817 in words is "one million, two hundred thirty thousand, eight hundred seventeen".