1259221 has 4 divisors (see below), whose sum is σ = 1293292. Its totient is φ = 1225152.

The previous prime is 1259213. The next prime is 1259231. The reversal of 1259221 is 1229521.

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 1020100 + 239121 = 1010^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 1259221 - 2³ = 1259213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1259192 and 1259201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1259231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16980 + ... + 17053.

It is an arithmetic number, because the mean of its divisors is an integer number (323323).

2^1259221 is an apocalyptic number.

It is an amenable number.

1259221 is a deficient number, since it is larger than the sum of its proper divisors (34071).

1259221 is an equidigital number, since it uses as much as digits as its factorization.

1259221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34070.

The product of its digits is 360, while the sum is 22.

The square root of 1259221 is about 1122.1501682039. The cubic root of 1259221 is about 107.9859663978.

The spelling of 1259221 in words is "one million, two hundred fifty-nine thousand, two hundred twenty-one".