102115104 has 96 divisors (see below), whose sum is σ = 329938560. Its totient is φ = 26929152.

The previous prime is 102115103. The next prime is 102115121. The reversal of 102115104 is 401511201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (102115103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892 + ... + 14580.

It is an arithmetic number, because the mean of its divisors is an integer number (3436860).

Almost surely, 2^102115104 is an apocalyptic number.

102115104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102115104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164969280).

102115104 is an abundant number, since it is smaller than the sum of its proper divisors (227823456).

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

102115104 is a wasteful number, since it uses less digits than its factorization.

102115104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722 (or 11714 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 102115104 is about 10105.2018287613. The cubic root of 102115104 is about 467.4085596179.

Adding to 102115104 its reverse (401511201), we get a palindrome (503626305).

The spelling of 102115104 in words is "one hundred two million, one hundred fifteen thousand, one hundred four".