102102513 has 4 divisors (see below), whose sum is σ = 136136688. Its totient is φ = 68068340.

The previous prime is 102102487. The next prime is 102102529. The reversal of 102102513 is 315201201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102102513 - 2⁶ = 102102449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102102492 and 102102501.

It is not an unprimeable number, because it can be changed into a prime (102102563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17017083 + ... + 17017088.

It is an arithmetic number, because the mean of its divisors is an integer number (34034172).

Almost surely, 2^102102513 is an apocalyptic number.

It is an amenable number.

102102513 is a deficient number, since it is larger than the sum of its proper divisors (34034175).

102102513 is an equidigital number, since it uses as much as digits as its factorization.

102102513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34034174.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 102102513 is about 10104.5788135874. The cubic root of 102102513 is about 467.3893480196.

Adding to 102102513 its reverse (315201201), we get a palindrome (417303714).

The spelling of 102102513 in words is "one hundred two million, one hundred two thousand, five hundred thirteen".