1251466 has 8 divisors (see below), whose sum is σ = 1942020. Its totient is φ = 604128.

The previous prime is 1251463. The next prime is 1251527. The reversal of 1251466 is 6641521.

It can be written as a sum of positive squares in 2 ways, for example, as 1199025 + 52441 = 1095^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1251466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10731 + ... + 10846.

2^1251466 is an apocalyptic number.

1251466 is a deficient number, since it is larger than the sum of its proper divisors (690554).

1251466 is a wasteful number, since it uses less digits than its factorization.

1251466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21608.

The product of its digits is 1440, while the sum is 25.

The square root of 1251466 is about 1118.6894117672. The cubic root of 1251466 is about 107.7638300661.

Adding to 1251466 its reverse (6641521), we get a palindrome (7892987).

The spelling of 1251466 in words is "one million, two hundred fifty-one thousand, four hundred sixty-six".