1274285 has 4 divisors (see below), whose sum is σ = 1529148. Its totient is φ = 1019424.

The previous prime is 1274267. The next prime is 1274291. The reversal of 1274285 is 5824721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5824721 = 7 ⋅832103.

It can be written as a sum of positive squares in 2 ways, for example, as 958441 + 315844 = 979^2 + 562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1274285 is a prime.

It is a super-3 number, since 3×1274285³ = 6207560593335297375, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127424 + ... + 127433.

It is an arithmetic number, because the mean of its divisors is an integer number (382287).

2^1274285 is an apocalyptic number.

It is an amenable number.

1274285 is a deficient number, since it is larger than the sum of its proper divisors (254863).

1274285 is an equidigital number, since it uses as much as digits as its factorization.

1274285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254862.

The product of its digits is 4480, while the sum is 29.

The square root of 1274285 is about 1128.8423273425. The cubic root of 1274285 is about 108.4148708964.

The spelling of 1274285 in words is "one million, two hundred seventy-four thousand, two hundred eighty-five".