1265982 has 16 divisors (see below), whose sum is σ = 2544912. Its totient is φ = 419840.

The previous prime is 1265981. The next prime is 1265987. The reversal of 1265982 is 2895621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265981) 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 in 7 ways as a sum of consecutive naturals, for example, 1132 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (159057).

2^1265982 is an apocalyptic number.

1265982 is an abundant number, since it is smaller than the sum of its proper divisors (1278930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265982 is a wasteful number, since it uses less digits than its factorization.

1265982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083.

The product of its digits is 8640, while the sum is 33.

The square root of 1265982 is about 1125.1586554793. The cubic root of 1265982 is about 108.1788873472.

The spelling of 1265982 in words is "one million, two hundred sixty-five thousand, nine hundred eighty-two".