1281274 has 8 divisors (see below), whose sum is σ = 1928628. Its totient is φ = 638400.

The previous prime is 1281263. The next prime is 1281281. The reversal of 1281274 is 4721821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1117249 + 164025 = 1057^2 + 405^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 277 + ... + 1624.

2^1281274 is an apocalyptic number.

1281274 is a deficient number, since it is larger than the sum of its proper divisors (647354).

1281274 is a wasteful number, since it uses less digits than its factorization.

1281274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240.

The product of its digits is 896, while the sum is 25.

The square root of 1281274 is about 1131.9337436440. The cubic root of 1281274 is about 108.6127153029.

The spelling of 1281274 in words is "one million, two hundred eighty-one thousand, two hundred seventy-four".