1215032241 has 8 divisors (see below), whose sum is σ = 1632799744. Its totient is φ = 803643120.

The previous prime is 1215032239. The next prime is 1215032267. The reversal of 1215032241 is 1422305121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1215032241 - 2¹ = 1215032239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1215032141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594150 + ... + 1594911.

It is an arithmetic number, because the mean of its divisors is an integer number (204099968).

Almost surely, 2^1215032241 is an apocalyptic number.

It is an amenable number.

1215032241 is a deficient number, since it is larger than the sum of its proper divisors (417767503).

1215032241 is a wasteful number, since it uses less digits than its factorization.

1215032241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189191.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1215032241 is about 34857.3125900434. The cubic root of 1215032241 is about 1067.0774297653.

Adding to 1215032241 its reverse (1422305121), we get a palindrome (2637337362).

The spelling of 1215032241 in words is "one billion, two hundred fifteen million, thirty-two thousand, two hundred forty-one".