100530115 has 24 divisors (see below), whose sum is σ = 141169392. Its totient is φ = 68523840.

The previous prime is 100530113. The next prime is 100530119. The reversal of 100530115 is 511035001.

It is not a de Polignac number, because 100530115 - 2¹ = 100530113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100530113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43212 + ... + 45478.

It is an arithmetic number, because the mean of its divisors is an integer number (5882058).

Almost surely, 2^100530115 is an apocalyptic number.

100530115 is a deficient number, since it is larger than the sum of its proper divisors (40639277).

100530115 is a wasteful number, since it uses less digits than its factorization.

100530115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 100530115 is about 10026.4707150622. The cubic root of 100530115 is about 464.9776302493.

Adding to 100530115 its reverse (511035001), we get a palindrome (611565116).

The spelling of 100530115 in words is "one hundred million, five hundred thirty thousand, one hundred fifteen".