1253632 has 36 divisors (see below), whose sum is σ = 2575440. Its totient is φ = 608768.

The previous prime is 1253627. The next prime is 1253683. The reversal of 1253632 is 2363521.

It is a d-powerful number, because it can be written as 1 + 2¹⁷ + 5 + 3¹⁰ + 6⁵ + 3¹² + 2¹⁹ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15063 + ... + 15145.

It is an arithmetic number, because the mean of its divisors is an integer number (71540).

2^1253632 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 1253632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287720).

1253632 is an abundant number, since it is smaller than the sum of its proper divisors (1321808).

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

1253632 is an frugal number, since it uses more digits than its factorization.

1253632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 144 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 1253632 is about 1119.6570903629. The cubic root of 1253632 is about 107.8259657059.

The spelling of 1253632 in words is "one million, two hundred fifty-three thousand, six hundred thirty-two".