1219928 has 16 divisors (see below), whose sum is σ = 2310000. Its totient is φ = 603936.

The previous prime is 1219919. The next prime is 1219931. The reversal of 1219928 is 8299121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1219894 and 1219903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (144375).

2^1219928 is an apocalyptic number.

It is an amenable number.

1219928 is a deficient number, since it is larger than the sum of its proper divisors (1090072).

1219928 is a wasteful number, since it uses less digits than its factorization.

1219928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 1510 counting only the distinct ones).

The product of its digits is 2592, while the sum is 32.

The square root of 1219928 is about 1104.5035083693. The cubic root of 1219928 is about 106.8508709478.

The spelling of 1219928 in words is "one million, two hundred nineteen thousand, nine hundred twenty-eight".