1259281 has 4 divisors (see below), whose sum is σ = 1265152. Its totient is φ = 1253412.

The previous prime is 1259249. The next prime is 1259287. The reversal of 1259281 is 1829521.

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.

It is a cyclic number.

It is not a de Polignac number, because 1259281 - 2⁵ = 1259249 is a prime.

It is a super-2 number, since 2×1259281² = 3171577273922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1259287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (316288).

2^1259281 is an apocalyptic number.

It is an amenable number.

1259281 is a deficient number, since it is larger than the sum of its proper divisors (5871).

1259281 is an equidigital number, since it uses as much as digits as its factorization.

1259281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870.

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

The square root of 1259281 is about 1122.1769022752. The cubic root of 1259281 is about 107.9876814939.

It can be divided in two parts, 1259 and 281, that added together give a triangular number (1540 = T₅₅).

The spelling of 1259281 in words is "one million, two hundred fifty-nine thousand, two hundred eighty-one".