1284974 has 4 divisors (see below), whose sum is σ = 1927464. Its totient is φ = 642486.

The previous prime is 1284971. The next prime is 1284977. The reversal of 1284974 is 4794821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4794821 = 19 ⋅252359.

It is an interprime number because it is at equal distance from previous prime (1284971) and next prime (1284977).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284971) 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 as a sum of consecutive naturals, namely, 321242 + ... + 321245.

It is an arithmetic number, because the mean of its divisors is an integer number (481866).

2^1284974 is an apocalyptic number.

1284974 is a deficient number, since it is larger than the sum of its proper divisors (642490).

1284974 is an equidigital number, since it uses as much as digits as its factorization.

1284974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642489.

The product of its digits is 16128, while the sum is 35.

The square root of 1284974 is about 1133.5669367091. The cubic root of 1284974 is about 108.7171636451.

The spelling of 1284974 in words is "one million, two hundred eighty-four thousand, nine hundred seventy-four".