1019089028 has 24 divisors (see below), whose sum is σ = 1813251552. Its totient is φ = 501044544.

The previous prime is 1019089013. The next prime is 1019089051. The reversal of 1019089028 is 8209809101.

It is a junction number, because it is equal to n+sod(n) for n = 1019088982 and 1019089000.

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 7 ways as a sum of consecutive naturals, for example, 162275 + ... + 168437.

It is an arithmetic number, because the mean of its divisors is an integer number (75552148).

Almost surely, 2^1019089028 is an apocalyptic number.

It is an amenable number.

1019089028 is a deficient number, since it is larger than the sum of its proper divisors (794162524).

1019089028 is a wasteful number, since it uses less digits than its factorization.

1019089028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851 (or 6849 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 1019089028 is about 31923.1738397046. The cubic root of 1019089028 is about 1006.3229454314.

The spelling of 1019089028 in words is "one billion, nineteen million, eighty-nine thousand, twenty-eight".