1265628 has 96 divisors (see below), whose sum is σ = 3888640. Its totient is φ = 311040.

The previous prime is 1265623. The next prime is 1265639. The reversal of 1265628 is 8265621.

It is a junction number, because it is equal to n+sod(n) for n = 1265595 and 1265604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20718 + ... + 20778.

2^1265628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1944320).

1265628 is an abundant number, since it is smaller than the sum of its proper divisors (2623012).

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

1265628 is a wasteful number, since it uses less digits than its factorization.

1265628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 105 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1265628 is about 1125.0013333325. The cubic root of 1265628 is about 108.1688032396.

The spelling of 1265628 in words is "one million, two hundred sixty-five thousand, six hundred twenty-eight".