1288192485 has 8 divisors (see below), whose sum is σ = 2061108000. Its totient is φ = 687035984.

The previous prime is 1288192421. The next prime is 1288192501. The reversal of 1288192485 is 5842918821.

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

It is a cyclic number.

It is not a de Polignac number, because 1288192485 - 2⁶ = 1288192421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42939735 + ... + 42939764.

It is an arithmetic number, because the mean of its divisors is an integer number (257638500).

Almost surely, 2^1288192485 is an apocalyptic number.

1288192485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1288192485 is a deficient number, since it is larger than the sum of its proper divisors (772915515).

1288192485 is an equidigital number, since it uses as much as digits as its factorization.

1288192485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85879507.

The product of its digits is 368640, while the sum is 48.

The square root of 1288192485 is about 35891.3984820876. The cubic root of 1288192485 is about 1088.0785622719.

The spelling of 1288192485 in words is "one billion, two hundred eighty-eight million, one hundred ninety-two thousand, four hundred eighty-five".