1229928 has 32 divisors (see below), whose sum is σ = 3514560. Its totient is φ = 351360.

The previous prime is 1229911. The next prime is 1229939. The reversal of 1229928 is 8299221.

It is a happy number.

1229928 is nontrivially palindromic in base 11.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3493 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (109830).

2^1229928 is an apocalyptic number.

It is an amenable number.

1229928 is an abundant number, since it is smaller than the sum of its proper divisors (2284632).

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

1229928 is a wasteful number, since it uses less digits than its factorization.

1229928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337 (or 7333 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 1229928 is about 1109.0211900591. The cubic root of 1229928 is about 107.1420363112.

The spelling of 1229928 in words is "one million, two hundred twenty-nine thousand, nine hundred twenty-eight".