1285276 has 6 divisors (see below), whose sum is σ = 2249240. Its totient is φ = 642636.

The previous prime is 1285267. The next prime is 1285279. The reversal of 1285276 is 6725821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285279) 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, 160656 + ... + 160663.

2^1285276 is an apocalyptic number.

It is an amenable number.

1285276 is a deficient number, since it is larger than the sum of its proper divisors (963964).

1285276 is a wasteful number, since it uses less digits than its factorization.

1285276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321323 (or 321321 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1285276 is about 1133.7001367205. The cubic root of 1285276 is about 108.7256800331.

The spelling of 1285276 in words is "one million, two hundred eighty-five thousand, two hundred seventy-six".