1260281 has 4 divisors (see below), whose sum is σ = 1374864. Its totient is φ = 1145700.

The previous prime is 1260277. The next prime is 1260283. The reversal of 1260281 is 1820621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1820621 = 11 ⋅165511.

It is a cyclic number.

It is not a de Polignac number, because 1260281 - 2² = 1260277 is a prime.

It is a super-2 number, since 2×1260281² = 3176616397922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57275 + ... + 57296.

It is an arithmetic number, because the mean of its divisors is an integer number (343716).

2^1260281 is an apocalyptic number.

1260281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1260281 is a deficient number, since it is larger than the sum of its proper divisors (114583).

1260281 is a wasteful number, since it uses less digits than its factorization.

1260281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114582.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1260281 is about 1122.6223764027. The cubic root of 1260281 is about 108.0162584119.

The spelling of 1260281 in words is "one million, two hundred sixty thousand, two hundred eighty-one".