1285244 has 6 divisors (see below), whose sum is σ = 2249184. Its totient is φ = 642620.

The previous prime is 1285237. The next prime is 1285247. The reversal of 1285244 is 4425821.

It is a happy number.

1285244 is nontrivially palindromic in base 8.

It is a plaindrome in base 13.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 160652 + ... + 160659.

It is an arithmetic number, because the mean of its divisors is an integer number (374864).

2^1285244 is an apocalyptic number.

It is an amenable number.

1285244 is a deficient number, since it is larger than the sum of its proper divisors (963940).

1285244 is a wasteful number, since it uses less digits than its factorization.

1285244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321315 (or 321313 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1285244 is about 1133.6860235533. The cubic root of 1285244 is about 108.7247776976.

The spelling of 1285244 in words is "one million, two hundred eighty-five thousand, two hundred forty-four".