309102 has 8 divisors (see below), whose sum is σ = 618216. Its totient is φ = 103032.

The previous prime is 309091. The next prime is 309107. The reversal of 309102 is 201903.

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

309102 is an admirable number.

It is an Ulam number.

It is a plaindrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 309102.

It is not an unprimeable number, because it can be changed into a prime (309107) 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, 25753 + ... + 25764.

It is an arithmetic number, because the mean of its divisors is an integer number (77277).

2³⁰⁹¹⁰² is an apocalyptic number.

309102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

309102 is a wasteful number, since it uses less digits than its factorization.

309102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51522.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 309102 is about 555.9694236197. The cubic root of 309102 is about 67.6135810628.

The spelling of 309102 in words is "three hundred nine thousand, one hundred two".