1265330 has 16 divisors (see below), whose sum is σ = 2484864. Its totient is φ = 460080.

The previous prime is 1265321. The next prime is 1265333. The reversal of 1265330 is 335621.

It is not an unprimeable number, because it can be changed into a prime (1265333) 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, 5642 + ... + 5861.

It is an arithmetic number, because the mean of its divisors is an integer number (155304).

2^1265330 is an apocalyptic number.

1265330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1265330 is a deficient number, since it is larger than the sum of its proper divisors (1219534).

1265330 is a wasteful number, since it uses less digits than its factorization.

1265330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11521.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1265330 is about 1124.8688812479. The cubic root of 1265330 is about 108.1603129003.

The spelling of 1265330 in words is "one million, two hundred sixty-five thousand, three hundred thirty".