1229211 has 12 divisors (see below), whose sum is σ = 1805440. Its totient is φ = 805680.

The previous prime is 1229209. The next prime is 1229213. The reversal of 1229211 is 1129221.

It is an interprime number because it is at equal distance from previous prime (1229209) and next prime (1229213).

It is not a de Polignac number, because 1229211 - 2¹ = 1229209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1229213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571 + ... + 1668.

2^1229211 is an apocalyptic number.

1229211 is a deficient number, since it is larger than the sum of its proper divisors (576229).

1229211 is a wasteful number, since it uses less digits than its factorization.

1229211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2303 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 1229211 is about 1108.6978849082. The cubic root of 1229211 is about 107.1212123896.

The spelling of 1229211 in words is "one million, two hundred twenty-nine thousand, two hundred eleven".