102113515 has 8 divisors (see below), whose sum is σ = 140041440. Its totient is φ = 70020672.

The previous prime is 102113513. The next prime is 102113569. The reversal of 102113515 is 515311201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102113515 - 2¹ = 102113513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102113492 and 102113501.

It is not an unprimeable number, because it can be changed into a prime (102113513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458730 + ... + 1458799.

It is an arithmetic number, because the mean of its divisors is an integer number (17505180).

Almost surely, 2^102113515 is an apocalyptic number.

102113515 is a deficient number, since it is larger than the sum of its proper divisors (37927925).

102113515 is an equidigital number, since it uses as much as digits as its factorization.

102113515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917541.

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

The square root of 102113515 is about 10105.1232055824. The cubic root of 102113515 is about 467.4061351772.

Adding to 102113515 its reverse (515311201), we get a palindrome (617424716).

The spelling of 102113515 in words is "one hundred two million, one hundred thirteen thousand, five hundred fifteen".