1282874 has 4 divisors (see below), whose sum is σ = 1924314. Its totient is φ = 641436.

The previous prime is 1282867. The next prime is 1282877. The reversal of 1282874 is 4782821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 351649 = 965^2 + 593^2 .

It is a super-3 number, since 3×1282874³ = 6333930079388170872, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1282874.

It is not an unprimeable number, because it can be changed into a prime (1282877) 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 as a sum of consecutive naturals, namely, 320717 + ... + 320720.

2^1282874 is an apocalyptic number.

1282874 is a deficient number, since it is larger than the sum of its proper divisors (641440).

1282874 is an equidigital number, since it uses as much as digits as its factorization.

1282874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641439.

The product of its digits is 7168, while the sum is 32.

The square root of 1282874 is about 1132.6402782879. The cubic root of 1282874 is about 108.6579067968.

The spelling of 1282874 in words is "one million, two hundred eighty-two thousand, eight hundred seventy-four".