1302528 has 56 divisors (see below), whose sum is σ = 3538728. Its totient is φ = 425984.

The previous prime is 1302493. The next prime is 1302563. The reversal of 1302528 is 8252031.

It is an interprime number because it is at equal distance from previous prime (1302493) and next prime (1302563).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24550 + ... + 24602.

2^1302528 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 1302528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769364).

1302528 is an abundant number, since it is smaller than the sum of its proper divisors (2236200).

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

1302528 is an frugal number, since it uses more digits than its factorization.

1302528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1302528 is about 1141.2834880081. The cubic root of 1302528 is about 109.2099871449.

Adding to 1302528 its reverse (8252031), we get a palindrome (9554559).

It can be divided in two parts, 1302 and 528, that added together give a triangular number (1830 = T₆₀).

The spelling of 1302528 in words is "one million, three hundred two thousand, five hundred twenty-eight".