1249528 has 32 divisors (see below), whose sum is σ = 2734560. Its totient is φ = 524160.

The previous prime is 1249519. The next prime is 1249531. The reversal of 1249528 is 8259421.

It is a super-2 number, since 2×1249528² = 3122640445568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1249528.

It is a congruent number.

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, 2758 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (85455).

2^1249528 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 1249528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367280).

1249528 is an abundant number, since it is smaller than the sum of its proper divisors (1485032).

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

1249528 is a wasteful number, since it uses less digits than its factorization.

1249528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 483 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1249528 is about 1117.8228840026. The cubic root of 1249528 is about 107.7081742190.

The spelling of 1249528 in words is "one million, two hundred forty-nine thousand, five hundred twenty-eight".