1403041221 has 12 divisors (see below), whose sum is σ = 2081388972. Its totient is φ = 910080576.

The previous prime is 1403041207. The next prime is 1403041223. The reversal of 1403041221 is 1221403041.

1403041221 is a `hidden beast` number, since 1 + 403 + 0 + 41 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1098922500 + 304118721 = 33150^2 + 17439^2 .

It is not a de Polignac number, because 1403041221 - 2¹⁷ = 1402910149 is a prime.

It is a super-3 number, since 3×1403041221³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1403041194 and 1403041203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403041223) 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, 2106336 + ... + 2107001.

It is an arithmetic number, because the mean of its divisors is an integer number (173449081).

Almost surely, 2^1403041221 is an apocalyptic number.

It is an amenable number.

1403041221 is a deficient number, since it is larger than the sum of its proper divisors (678347751).

1403041221 is a wasteful number, since it uses less digits than its factorization.

1403041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213380 (or 4213377 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1403041221 is about 37457.1918461595. The cubic root of 1403041221 is about 1119.4983991653.

Adding to 1403041221 its reverse (1221403041), we get a palindrome (2624444262).

The spelling of 1403041221 in words is "one billion, four hundred three million, forty-one thousand, two hundred twenty-one".