1265770 has 32 divisors (see below), whose sum is σ = 2560896. Its totient is φ = 446400.

The previous prime is 1265741. The next prime is 1265777. The reversal of 1265770 is 775621.

It is not an unprimeable number, because it can be changed into a prime (1265777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3915 + ... + 4225.

It is an arithmetic number, because the mean of its divisors is an integer number (80028).

2^1265770 is an apocalyptic number.

1265770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1265770 is an abundant number, since it is smaller than the sum of its proper divisors (1295126).

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

1265770 is a wasteful number, since it uses less digits than its factorization.

1265770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1265770 is about 1125.0644425987. The cubic root of 1265770 is about 108.1728485030.

The spelling of 1265770 in words is "one million, two hundred sixty-five thousand, seven hundred seventy".