1028140754 has 16 divisors (see below), whose sum is σ = 1563280992. Its totient is φ = 507067008.

The previous prime is 1028140709. The next prime is 1028140769. The reversal of 1028140754 is 4570418201.

It is a happy number.

1028140754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028140754.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107117 + ... + 116319.

It is an arithmetic number, because the mean of its divisors is an integer number (97705062).

Almost surely, 2^1028140754 is an apocalyptic number.

1028140754 is a deficient number, since it is larger than the sum of its proper divisors (535140238).

1028140754 is an equidigital number, since it uses as much as digits as its factorization.

1028140754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9961.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1028140754 is about 32064.6340069554. The cubic root of 1028140754 is about 1009.2936125325.

Adding to 1028140754 its reverse (4570418201), we get a palindrome (5598558955).

The spelling of 1028140754 in words is "one billion, twenty-eight million, one hundred forty thousand, seven hundred fifty-four".