102116615 has 16 divisors (see below), whose sum is σ = 126039936. Its totient is φ = 79380000.

The previous prime is 102116611. The next prime is 102116617. The reversal of 102116615 is 516611201.

It is not a de Polignac number, because 102116615 - 2² = 102116611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102116611) 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, 44240 + ... + 46490.

It is an arithmetic number, because the mean of its divisors is an integer number (7877496).

Almost surely, 2^102116615 is an apocalyptic number.

102116615 is a deficient number, since it is larger than the sum of its proper divisors (23923321).

102116615 is a wasteful number, since it uses less digits than its factorization.

102116615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 102116615 is about 10105.2765919593. The cubic root of 102116615 is about 467.4108650256.

Adding to 102116615 its reverse (516611201), we get a palindrome (618727816).

The spelling of 102116615 in words is "one hundred two million, one hundred sixteen thousand, six hundred fifteen".