1069234785 has 72 divisors (see below), whose sum is σ = 2021834880. Its totient is φ = 521265024.

The previous prime is 1069234781. The next prime is 1069234799. The reversal of 1069234785 is 5874329601.

1069234785 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1069234785 - 2² = 1069234781 is a prime.

It is a super-2 number, since 2×1069234785² = 2286526050907992450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

1069234785 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1069234785.

It is not an unprimeable number, because it can be changed into a prime (1069234781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 718312 + ... + 719798.

It is an arithmetic number, because the mean of its divisors is an integer number (28081040).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1069234785 = 2138469570, but 3⋅1069234785 = 3207704355 is not.

Almost surely, 2^1069234785 is an apocalyptic number.

1069234785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1069234785 is a deficient number, since it is larger than the sum of its proper divisors (952600095).

1069234785 is a wasteful number, since it uses less digits than its factorization.

1069234785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1069234785 is about 32699.1557230458. The cubic root of 1069234785 is about 1022.5652415414.

The spelling of 1069234785 in words is "one billion, sixty-nine million, two hundred thirty-four thousand, seven hundred eighty-five".