1225317 has 8 divisors (see below), whose sum is σ = 1641024. Its totient is φ = 813248.

The previous prime is 1225303. The next prime is 1225319. The reversal of 1225317 is 7135221.

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 1225317 - 2⁸ = 1225061 is a prime.

It is a d-powerful number, because it can be written as 1 + 2⁴ + 2²⁰ + 5² + 3¹⁰ + 1 + 7⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 1225293 and 1225302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225319) 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, 13 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (205128).

2^1225317 is an apocalyptic number.

It is an amenable number.

1225317 is a deficient number, since it is larger than the sum of its proper divisors (415707).

1225317 is a wasteful number, since it uses less digits than its factorization.

1225317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its digits is 420, while the sum is 21.

The square root of 1225317 is about 1106.9403777982. The cubic root of 1225317 is about 107.0079768124.

The spelling of 1225317 in words is "one million, two hundred twenty-five thousand, three hundred seventeen".