1028501450 has 12 divisors (see below), whose sum is σ = 1913012790. Its totient is φ = 411400560.

The previous prime is 1028501429. The next prime is 1028501471. The reversal of 1028501450 is 541058201.

It is an interprime number because it is at equal distance from previous prime (1028501429) and next prime (1028501471).

It can be written as a sum of positive squares in 3 ways, for example, as 652955809 + 375545641 = 25553^2 + 19379^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10284965 + ... + 10285064.

Almost surely, 2^1028501450 is an apocalyptic number.

1028501450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028501450 is a deficient number, since it is larger than the sum of its proper divisors (884511340).

1028501450 is a wasteful number, since it uses less digits than its factorization.

1028501450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20570041 (or 20570036 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1028501450 is about 32070.2580282729. The cubic root of 1028501450 is about 1009.4116267258.

Adding to 1028501450 its reverse (541058201), we get a palindrome (1569559651).

The spelling of 1028501450 in words is "one billion, twenty-eight million, five hundred one thousand, four hundred fifty".