1215060115 has 16 divisors (see below), whose sum is σ = 1465382016. Its totient is φ = 967190400.

The previous prime is 1215060113. The next prime is 1215060151. The reversal of 1215060115 is 5110605121.

It is a happy number.

It is not a de Polignac number, because 1215060115 - 2¹ = 1215060113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1215060113) 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 15 ways as a sum of consecutive naturals, for example, 1424029 + ... + 1424881.

It is an arithmetic number, because the mean of its divisors is an integer number (91586376).

Almost surely, 2^1215060115 is an apocalyptic number.

1215060115 is a deficient number, since it is larger than the sum of its proper divisors (250321901).

1215060115 is an equidigital number, since it uses as much as digits as its factorization.

1215060115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1215060115 is about 34857.7124177706. The cubic root of 1215060115 is about 1067.0855896281.

Adding to 1215060115 its reverse (5110605121), we get a palindrome (6325665236).

The spelling of 1215060115 in words is "one billion, two hundred fifteen million, sixty thousand, one hundred fifteen".