1104428728 has 32 divisors (see below), whose sum is σ = 2232966960. Its totient is φ = 509080320.

The previous prime is 1104428693. The next prime is 1104428761. The reversal of 1104428728 is 8278244011.

It is a happy number.

It is a congruent number.

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, 79588 + ... + 92428.

Almost surely, 2^1104428728 is an apocalyptic number.

It is an amenable number.

1104428728 is an abundant number, since it is smaller than the sum of its proper divisors (1128538232).

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

1104428728 is a wasteful number, since it uses less digits than its factorization.

1104428728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13687 (or 13683 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 1104428728 is about 33232.9464236923. The cubic root of 1104428728 is about 1033.6636203519.

The spelling of 1104428728 in words is "one billion, one hundred four million, four hundred twenty-eight thousand, seven hundred twenty-eight".