1265049 has 12 divisors (see below), whose sum is σ = 1837056. Its totient is φ = 838872.

The previous prime is 1265041. The next prime is 1265051. The reversal of 1265049 is 9405621.

1265049 is a `hidden beast` number, since 1 + 2 + 650 + 4 + 9 = 666.

It is not a de Polignac number, because 1265049 - 2³ = 1265041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1265041) 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 11 ways as a sum of consecutive naturals, for example, 3112 + ... + 3494.

It is an arithmetic number, because the mean of its divisors is an integer number (153088).

2^1265049 is an apocalyptic number.

It is an amenable number.

1265049 is a deficient number, since it is larger than the sum of its proper divisors (572007).

1265049 is a wasteful number, since it uses less digits than its factorization.

1265049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1265049 is about 1124.7439708663. The cubic root of 1265049 is about 108.1523056879.

The spelling of 1265049 in words is "one million, two hundred sixty-five thousand, forty-nine".