1251441 has 12 divisors (see below), whose sum is σ = 1818960. Its totient is φ = 829080.

The previous prime is 1251433. The next prime is 1251461. The reversal of 1251441 is 1441521.

It is not a de Polignac number, because 1251441 - 2³ = 1251433 is a prime.

It is a super-2 number, since 2×1251441² = 3132209152962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1251431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1570 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (151580).

2^1251441 is an apocalyptic number.

It is an amenable number.

1251441 is a deficient number, since it is larger than the sum of its proper divisors (567519).

1251441 is a wasteful number, since it uses less digits than its factorization.

1251441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1251441 is about 1118.6782379219. The cubic root of 1251441 is about 107.7631124773.

Adding to 1251441 its reverse (1441521), we get a palindrome (2692962).

The spelling of 1251441 in words is "one million, two hundred fifty-one thousand, four hundred forty-one".