1109028365 has 16 divisors (see below), whose sum is σ = 1341931968. Its totient is φ = 879849216.

The previous prime is 1109028341. The next prime is 1109028367. The reversal of 1109028365 is 5638209011.

1109028365 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1109028365 - 2⁶ = 1109028301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109028367) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 457637 + ... + 460053.

It is an arithmetic number, because the mean of its divisors is an integer number (83870748).

Almost surely, 2^1109028365 is an apocalyptic number.

It is an amenable number.

1109028365 is a deficient number, since it is larger than the sum of its proper divisors (232903603).

1109028365 is a wasteful number, since it uses less digits than its factorization.

1109028365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1109028365 is about 33302.0774877484. The cubic root of 1109028365 is about 1035.0966062283.

The spelling of 1109028365 in words is "one billion, one hundred nine million, twenty-eight thousand, three hundred sixty-five".