1265424 has 40 divisors (see below), whose sum is σ = 3353952. Its totient is φ = 410880.

The previous prime is 1265393. The next prime is 1265431. The reversal of 1265424 is 4245621.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1265394 and 1265403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647 + ... + 2289.

2^1265424 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 1265424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676976).

1265424 is an abundant number, since it is smaller than the sum of its proper divisors (2088528).

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

1265424 is a wasteful number, since it uses less digits than its factorization.

1265424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 689 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1265424 is about 1124.9106631195. The cubic root of 1265424 is about 108.1629912049.

The spelling of 1265424 in words is "one million, two hundred sixty-five thousand, four hundred twenty-four".