5121444 has 12 divisors (see below), whose sum is σ = 11950064. Its totient is φ = 1707144.

The previous prime is 5121439. The next prime is 5121463. The reversal of 5121444 is 4441215.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 5121444.

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, 213382 + ... + 213405.

Almost surely, 2^5121444 is an apocalyptic number.

It is an amenable number.

5121444 is an abundant number, since it is smaller than the sum of its proper divisors (6828620).

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

5121444 is a wasteful number, since it uses less digits than its factorization.

5121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426794 (or 426792 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 5121444 is about 2263.0607592374. The cubic root of 5121444 is about 172.3709768238.

Adding to 5121444 its reverse (4441215), we get a palindrome (9562659).

It can be divided in two parts, 5121 and 444, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 5121444 in words is "five million, one hundred twenty-one thousand, four hundred forty-four".