1265502 has 32 divisors (see below), whose sum is σ = 2995200. Its totient is φ = 348768.

The previous prime is 1265479. The next prime is 1265503. The reversal of 1265502 is 2055621.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265503) 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 15 ways as a sum of consecutive naturals, for example, 699 + ... + 1737.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

2^1265502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1265502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497600).

1265502 is an abundant number, since it is smaller than the sum of its proper divisors (1729698).

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

1265502 is a wasteful number, since it uses less digits than its factorization.

1265502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1265502 is about 1124.9453320051. The cubic root of 1265502 is about 108.1652135272.

The spelling of 1265502 in words is "one million, two hundred sixty-five thousand, five hundred two".