1260117285 has 16 divisors (see below), whose sum is σ = 2304214656. Its totient is φ = 576053568.

The previous prime is 1260117283. The next prime is 1260117289. The reversal of 1260117285 is 5827110621.

1260117285 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1260117285 - 2¹ = 1260117283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260117283) 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 15 ways as a sum of consecutive naturals, for example, 6000454 + ... + 6000663.

It is an arithmetic number, because the mean of its divisors is an integer number (144013416).

Almost surely, 2^1260117285 is an apocalyptic number.

1260117285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1260117285 is a deficient number, since it is larger than the sum of its proper divisors (1044097371).

1260117285 is a wasteful number, since it uses less digits than its factorization.

1260117285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12001132.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 1260117285 is about 35498.1307254340. The cubic root of 1260117285 is about 1080.1158097691.

The spelling of 1260117285 in words is "one billion, two hundred sixty million, one hundred seventeen thousand, two hundred eighty-five".