1215360104 has 16 divisors (see below), whose sum is σ = 2604343200. Its totient is φ = 520868592.

The previous prime is 1215360103. The next prime is 1215360121. The reversal of 1215360104 is 4010635121.

It is a self number, because there is not a number n which added to its sum of digits gives 1215360104.

It is not an unprimeable number, because it can be changed into a prime (1215360103) 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 3 ways as a sum of consecutive naturals, for example, 10851374 + ... + 10851485.

It is an arithmetic number, because the mean of its divisors is an integer number (162771450).

Almost surely, 2^1215360104 is an apocalyptic number.

1215360104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1215360104 is an abundant number, since it is smaller than the sum of its proper divisors (1388983096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1215360104 is a wasteful number, since it uses less digits than its factorization.

1215360104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21702872 (or 21702868 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1215360104 is about 34862.0152027963. The cubic root of 1215360104 is about 1067.1734008110.

Adding to 1215360104 its reverse (4010635121), we get a palindrome (5225995225).

The spelling of 1215360104 in words is "one billion, two hundred fifteen million, three hundred sixty thousand, one hundred four".