102147115 has 16 divisors (see below), whose sum is σ = 142948800. Its totient is φ = 70042560.

The previous prime is 102147109. The next prime is 102147137. The reversal of 102147115 is 511741201.

It is not a de Polignac number, because 102147115 - 2⁵ = 102147083 is a prime.

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, 28066 + ... + 31495.

It is an arithmetic number, because the mean of its divisors is an integer number (8934300).

Almost surely, 2^102147115 is an apocalyptic number.

102147115 is a deficient number, since it is larger than the sum of its proper divisors (40801685).

102147115 is an frugal number, since it uses more digits than its factorization.

102147115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59587 (or 59573 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 102147115 is about 10106.7855918685. The cubic root of 102147115 is about 467.4573955284.

Adding to 102147115 its reverse (511741201), we get a palindrome (613888316).

The spelling of 102147115 in words is "one hundred two million, one hundred forty-seven thousand, one hundred fifteen".