63043121 has 16 divisors (see below), whose sum is σ = 68290560. Its totient is φ = 58009680.

The previous prime is 63043091. The next prime is 63043151. The reversal of 63043121 is 12134036.

It is an interprime number because it is at equal distance from previous prime (63043091) and next prime (63043151).

It is a cyclic number.

It is not a de Polignac number, because 63043121 - 2¹⁴ = 63026737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63043093 and 63043102.

It is not an unprimeable number, because it can be changed into a prime (63043151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202556 + ... + 202866.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160).

Almost surely, 2^63043121 is an apocalyptic number.

It is an amenable number.

63043121 is a deficient number, since it is larger than the sum of its proper divisors (5247439).

63043121 is a wasteful number, since it uses less digits than its factorization.

63043121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63043121 is about 7939.9698362147. The cubic root of 63043121 is about 397.9964836436.

Adding to 63043121 its reverse (12134036), we get a palindrome (75177157).

The spelling of 63043121 in words is "sixty-three million, forty-three thousand, one hundred twenty-one".