1251472 has 40 divisors (see below), whose sum is σ = 2651616. Its totient is φ = 569856.

The previous prime is 1251463. The next prime is 1251527. The reversal of 1251472 is 2741521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11643 + ... + 11749.

2^1251472 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 1251472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1325808).

1251472 is an abundant number, since it is smaller than the sum of its proper divisors (1400144).

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

1251472 is a wasteful number, since it uses less digits than its factorization.

1251472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 169 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 1251472 is about 1118.6920934734. The cubic root of 1251472 is about 107.7640022859.

Adding to 1251472 its reverse (2741521), we get a palindrome (3992993).

The spelling of 1251472 in words is "one million, two hundred fifty-one thousand, four hundred seventy-two".