1103229 has 12 divisors (see below), whose sum is σ = 1637116. Its totient is φ = 715392.

The previous prime is 1103213. The next prime is 1103237. The reversal of 1103229 is 9223011.

Added to its reverse (9223011) it gives a triangular number (10326240 = T₄₅₄₄).

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 99225 = 1002^2 + 315^2 .

It is not a de Polignac number, because 1103229 - 2⁴ = 1103213 is a prime.

It is a super-2 number, since 2×1103229² = 2434228452882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103279) 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, 1324 + ... + 1989.

2^1103229 is an apocalyptic number.

It is an amenable number.

1103229 is a deficient number, since it is larger than the sum of its proper divisors (533887).

1103229 is a wasteful number, since it uses less digits than its factorization.

1103229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356 (or 3353 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1103229 is about 1050.3470854913. The cubic root of 1103229 is about 103.3289199179.

Adding to 1103229 its reverse (9223011), we get a triangular number (10326240 = T₄₅₄₄).

The spelling of 1103229 in words is "one million, one hundred three thousand, two hundred twenty-nine".