1215040501 has 8 divisors (see below), whose sum is σ = 1219173120. Its totient is φ = 1210915488.

The previous prime is 1215040483. The next prime is 1215040553. The reversal of 1215040501 is 1050405121.

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

It is a cyclic number.

It is not a de Polignac number, because 1215040501 - 2¹⁵ = 1215007733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213040501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567505 + ... + 569641.

It is an arithmetic number, because the mean of its divisors is an integer number (152396640).

Almost surely, 2^1215040501 is an apocalyptic number.

It is an amenable number.

1215040501 is a deficient number, since it is larger than the sum of its proper divisors (4132619).

1215040501 is a wasteful number, since it uses less digits than its factorization.

1215040501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1215040501 is about 34857.4310728717. The cubic root of 1215040501 is about 1067.0798478190.

Adding to 1215040501 its reverse (1050405121), we get a palindrome (2265445622).

The spelling of 1215040501 in words is "one billion, two hundred fifteen million, forty thousand, five hundred one".