1102399728 has 20 divisors (see below), whose sum is σ = 2847866088. Its totient is φ = 367466560.

The previous prime is 1102399717. The next prime is 1102399757. The reversal of 1102399728 is 8279932011.

It is a self number, because there is not a number n which added to its sum of digits gives 1102399728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483283 + ... + 11483378.

Almost surely, 2^1102399728 is an apocalyptic number.

It is an amenable number.

1102399728 is an abundant number, since it is smaller than the sum of its proper divisors (1745466360).

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

1102399728 is a wasteful number, since it uses less digits than its factorization.

1102399728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22966672 (or 22966666 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1102399728 is about 33202.4054550269. The cubic root of 1102399728 is about 1033.0302343313.

The spelling of 1102399728 in words is "one billion, one hundred two million, three hundred ninety-nine thousand, seven hundred twenty-eight".