102115315 has 16 divisors (see below), whose sum is σ = 124651296. Its totient is φ = 80294400.

The previous prime is 102115267. The next prime is 102115327. The reversal of 102115315 is 513511201.

It is not a de Polignac number, because 102115315 - 2¹⁹ = 101591027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102115292 and 102115301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99505 + ... + 100525.

It is an arithmetic number, because the mean of its divisors is an integer number (7790706).

Almost surely, 2^102115315 is an apocalyptic number.

102115315 is a deficient number, since it is larger than the sum of its proper divisors (22535981).

102115315 is a wasteful number, since it uses less digits than its factorization.

102115315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 102115315 is about 10105.2122689234. The cubic root of 102115315 is about 467.4088815525.

Adding to 102115315 its reverse (513511201), we get a palindrome (615626516).

The spelling of 102115315 in words is "one hundred two million, one hundred fifteen thousand, three hundred fifteen".