1215441063 has 12 divisors (see below), whose sum is σ = 1756060488. Its totient is φ = 810098640.

The previous prime is 1215441047. The next prime is 1215441079. The reversal of 1215441063 is 3601445121.

It is a happy number.

1215441063 is a `hidden beast` number, since 1 + 215 + 441 + 0 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1215441047) and next prime (1215441079).

It is not a de Polignac number, because 1215441063 - 2⁴ = 1215441047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215451063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30048 + ... + 57738.

It is an arithmetic number, because the mean of its divisors is an integer number (146338374).

Almost surely, 2^1215441063 is an apocalyptic number.

1215441063 is a deficient number, since it is larger than the sum of its proper divisors (540619425).

1215441063 is a wasteful number, since it uses less digits than its factorization.

1215441063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32574 (or 32571 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1215441063 is about 34863.1763182875. The cubic root of 1215441063 is about 1067.1970962224.

Adding to 1215441063 its reverse (3601445121), we get a palindrome (4816886184).

The spelling of 1215441063 in words is "one billion, two hundred fifteen million, four hundred forty-one thousand, sixty-three".