102065399 has 8 divisors (see below), whose sum is σ = 108385200. Its totient is φ = 95780736.

The previous prime is 102065387. The next prime is 102065429. The reversal of 102065399 is 993560201.

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 102065399 - 2⁸ = 102065143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102065599) 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, 2669 + ... + 14534.

It is an arithmetic number, because the mean of its divisors is an integer number (13548150).

Almost surely, 2^102065399 is an apocalyptic number.

102065399 is a deficient number, since it is larger than the sum of its proper divisors (6319801).

102065399 is a wasteful number, since it uses less digits than its factorization.

102065399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17569.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 102065399 is about 10102.7421525049. The cubic root of 102065399 is about 467.3327095491.

The spelling of 102065399 in words is "one hundred two million, sixty-five thousand, three hundred ninety-nine".