105128283 has 8 divisors (see below), whose sum is σ = 150953488. Its totient is φ = 64694304.

The previous prime is 105128281. The next prime is 105128321. The reversal of 105128283 is 382821501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105128283 - 2¹ = 105128281 is a prime.

It is a super-2 number, since 2×105128283² = 22103911773056178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105128283.

It is not an unprimeable number, because it can be changed into a prime (105128281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347760 + ... + 1347837.

It is an arithmetic number, because the mean of its divisors is an integer number (18869186).

Almost surely, 2^105128283 is an apocalyptic number.

105128283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105128283 is a deficient number, since it is larger than the sum of its proper divisors (45825205).

105128283 is a wasteful number, since it uses less digits than its factorization.

105128283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695613.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 105128283 is about 10253.2084246835. The cubic root of 105128283 is about 471.9614468056.

Adding to 105128283 its reverse (382821501), we get a palindrome (487949784).

The spelling of 105128283 in words is "one hundred five million, one hundred twenty-eight thousand, two hundred eighty-three".