1251232 has 24 divisors (see below), whose sum is σ = 2507652. Its totient is φ = 614400.

The previous prime is 1251227. The next prime is 1251247. The reversal of 1251232 is 2321521.

It can be written as a sum of positive squares in 2 ways, for example, as 1245456 + 5776 = 1116^2 + 76^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1632 + ... + 2272.

2^1251232 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 1251232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253826).

1251232 is an abundant number, since it is smaller than the sum of its proper divisors (1256420).

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

1251232 is an equidigital number, since it uses as much as digits as its factorization.

1251232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 704 counting only the distinct ones).

The product of its digits is 120, while the sum is 16.

The square root of 1251232 is about 1118.5848202081. The cubic root of 1251232 is about 107.7571130616.

Adding to 1251232 its reverse (2321521), we get a palindrome (3572753).

It can be divided in two parts, 12512 and 32, that added together give a square (12544 = 112²).

The spelling of 1251232 in words is "one million, two hundred fifty-one thousand, two hundred thirty-two".