1274823285 has 16 divisors (see below), whose sum is σ = 2159701056. Its totient is φ = 639911168.

The previous prime is 1274823283. The next prime is 1274823287. The reversal of 1274823285 is 5823284721.

It is an interprime number because it is at equal distance from previous prime (1274823283) and next prime (1274823287).

It is a cyclic number.

It is not a de Polignac number, because 1274823285 - 2¹ = 1274823283 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 (1274823283) 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, 2499399 + ... + 2499908.

It is an arithmetic number, because the mean of its divisors is an integer number (134981316).

Almost surely, 2^1274823285 is an apocalyptic number.

1274823285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1274823285 is a deficient number, since it is larger than the sum of its proper divisors (884877771).

1274823285 is a wasteful number, since it uses less digits than its factorization.

1274823285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999332.

The product of its digits is 215040, while the sum is 42.

The square root of 1274823285 is about 35704.6675520162. The cubic root of 1274823285 is about 1084.3013432738.

The spelling of 1274823285 in words is "one billion, two hundred seventy-four million, eight hundred twenty-three thousand, two hundred eighty-five".