1295281 has 8 divisors (see below), whose sum is σ = 1477224. Its totient is φ = 1125120.

The previous prime is 1295279. The next prime is 1295293. The reversal of 1295281 is 1825921.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 1166400 = 359^2 + 1080^2 .

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 1295281 - 2¹ = 1295279 is a prime.

It is a super-2 number, since 2×1295281² = 3355505737922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1295201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710 + ... + 3151.

It is an arithmetic number, because the mean of its divisors is an integer number (184653).

2^1295281 is an apocalyptic number.

It is an amenable number.

1295281 is a deficient number, since it is larger than the sum of its proper divisors (181943).

1295281 is a wasteful number, since it uses less digits than its factorization.

1295281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891.

The product of its digits is 1440, while the sum is 28.

The square root of 1295281 is about 1138.1041252891. The cubic root of 1295281 is about 109.0070696534.

The spelling of 1295281 in words is "one million, two hundred ninety-five thousand, two hundred eighty-one".