1225859 has 8 divisors (see below), whose sum is σ = 1300320. Its totient is φ = 1153600.

The previous prime is 1225849. The next prime is 1225871. The reversal of 1225859 is 9585221.

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 1225859 - 2⁸ = 1225603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225849) 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, 674 + ... + 1704.

It is an arithmetic number, because the mean of its divisors is an integer number (162540).

2^1225859 is an apocalyptic number.

1225859 is a deficient number, since it is larger than the sum of its proper divisors (74461).

1225859 is a wasteful number, since it uses less digits than its factorization.

1225859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its digits is 7200, while the sum is 32.

The square root of 1225859 is about 1107.1851696984. The cubic root of 1225859 is about 107.0237522604.

The spelling of 1225859 in words is "one million, two hundred twenty-five thousand, eight hundred fifty-nine".