1028965743 has 24 divisors (see below), whose sum is σ = 1670209632. Its totient is φ = 605677248.

The previous prime is 1028965741. The next prime is 1028965753. The reversal of 1028965743 is 3475698201.

1028965743 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 1028965743 - 2¹ = 1028965741 is a prime.

1028965743 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028965741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188496 + ... + 193877.

It is an arithmetic number, because the mean of its divisors is an integer number (69592068).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1028965743 = 2057931486, but 3⋅1028965743 = 3086897229 is not.

Almost surely, 2^1028965743 is an apocalyptic number.

1028965743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1028965743 is a deficient number, since it is larger than the sum of its proper divisors (641243889).

1028965743 is a wasteful number, since it uses less digits than its factorization.

1028965743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382415 (or 382412 counting only the distinct ones).

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

The square root of 1028965743 is about 32077.4958966563. The cubic root of 1028965743 is about 1009.5634956569.

The spelling of 1028965743 in words is "one billion, twenty-eight million, nine hundred sixty-five thousand, seven hundred forty-three".