1229304 has 64 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 366080.

The previous prime is 1229297. The next prime is 1229309. The reversal of 1229304 is 4039221.

1229304 = 2² + 3² + ... + 154².

It is a super-2 number, since 2×1229304² = 3022376648832, which contains 22 as substring.

1229304 is a Rhonda number in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9319 + ... + 9449.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2^1229304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710720).

1229304 is an abundant number, since it is smaller than the sum of its proper divisors (2192136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229304 is a wasteful number, since it uses less digits than its factorization.

1229304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1229304 is about 1108.7398252070. The cubic root of 1229304 is about 107.1239138573.

The spelling of 1229304 in words is "one million, two hundred twenty-nine thousand, three hundred four".