1285246 has 4 divisors (see below), whose sum is σ = 1927872. Its totient is φ = 642622.

The previous prime is 1285237. The next prime is 1285247. The reversal of 1285246 is 6425821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6425821 = 1181 ⋅5441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285247) 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, 321310 + ... + 321313.

It is an arithmetic number, because the mean of its divisors is an integer number (481968).

2^1285246 is an apocalyptic number.

1285246 is a deficient number, since it is larger than the sum of its proper divisors (642626).

1285246 is an equidigital number, since it uses as much as digits as its factorization.

1285246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642625.

The product of its digits is 3840, while the sum is 28.

The square root of 1285246 is about 1133.6869056314. The cubic root of 1285246 is about 108.7248340940.

It can be divided in two parts, 12 and 85246, that added together give a palindrome (85258).

The spelling of 1285246 in words is "one million, two hundred eighty-five thousand, two hundred forty-six".