102115024 has 80 divisors (see below), whose sum is σ = 224699904. Its totient is φ = 44553600.

The previous prime is 102115021. The next prime is 102115031. The reversal of 102115024 is 420511201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 102114989 and 102115007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102115021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779439 + ... + 779569.

Almost surely, 2^102115024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102115024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112349952).

102115024 is an abundant number, since it is smaller than the sum of its proper divisors (122584880).

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

102115024 is a wasteful number, since it uses less digits than its factorization.

102115024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 102115024 is about 10105.1978704031. The cubic root of 102115024 is about 467.4084375573.

Adding to 102115024 its reverse (420511201), we get a palindrome (522626225).

The spelling of 102115024 in words is "one hundred two million, one hundred fifteen thousand, twenty-four".