1028142495 has 96 divisors (see below), whose sum is σ = 1905306624. Its totient is φ = 512179200.

The previous prime is 1028142469. The next prime is 1028142499. The reversal of 1028142495 is 5942418201.

1028142495 is a `hidden beast` number, since 1 + 0 + 28 + 142 + 495 = 666.

It is not a de Polignac number, because 1028142495 - 2⁵ = 1028142463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028142499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5382850 + ... + 5383040.

It is an arithmetic number, because the mean of its divisors is an integer number (19846944).

It is a vampire number, since it can be written as 21201 ⋅ 48495 (with its own digits).

Almost surely, 2^1028142495 is an apocalyptic number.

1028142495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1028142495 is a deficient number, since it is larger than the sum of its proper divisors (877164129).

1028142495 is a wasteful number, since it uses less digits than its factorization.

1028142495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1028142495 is about 32064.6611552344. The cubic root of 1028142495 is about 1009.2941822273.

The spelling of 1028142495 in words is "one billion, twenty-eight million, one hundred forty-two thousand, four hundred ninety-five".