1144521 has 24 divisors (see below), whose sum is σ = 1944384. Its totient is φ = 635040.

The previous prime is 1144519. The next prime is 1144523. The reversal of 1144521 is 1254411.

1144521 = T₂₃₀ + T₂₃₁ + ... + T₂₆₆.

1144521 is a `hidden beast` number, since 1 + 144 + 521 = 666.

It is an interprime number because it is at equal distance from previous prime (1144519) and next prime (1144523).

It is not a de Polignac number, because 1144521 - 2¹ = 1144519 is a prime.

1144521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1144494 and 1144503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2086 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (81016).

2^1144521 is an apocalyptic number.

It is an amenable number.

1144521 is a deficient number, since it is larger than the sum of its proper divisors (799863).

1144521 is a wasteful number, since it uses less digits than its factorization.

1144521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 538 counting only the distinct ones).

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

The square root of 1144521 is about 1069.8228825371. The cubic root of 1144521 is about 104.6023051283.

Adding to 1144521 its reverse (1254411), we get a palindrome (2398932).

The spelling of 1144521 in words is "one million, one hundred forty-four thousand, five hundred twenty-one".