1288255195 has 32 divisors (see below), whose sum is σ = 1677772800. Its totient is φ = 946463616.

The previous prime is 1288255193. The next prime is 1288255207. The reversal of 1288255195 is 5915528821.

It is a cyclic number.

It is not a de Polignac number, because 1288255195 - 2¹ = 1288255193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1288255193) 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 31 ways as a sum of consecutive naturals, for example, 485362 + ... + 488008.

It is an arithmetic number, because the mean of its divisors is an integer number (52430400).

Almost surely, 2^1288255195 is an apocalyptic number.

1288255195 is a deficient number, since it is larger than the sum of its proper divisors (389517605).

1288255195 is a wasteful number, since it uses less digits than its factorization.

1288255195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827.

The product of its digits is 288000, while the sum is 46.

The square root of 1288255195 is about 35892.2720790980. The cubic root of 1288255195 is about 1088.0962180959.

The spelling of 1288255195 in words is "one billion, two hundred eighty-eight million, two hundred fifty-five thousand, one hundred ninety-five".