102102392 has 16 divisors (see below), whose sum is σ = 218790960. Its totient is φ = 43758144.

The previous prime is 102102383. The next prime is 102102419. The reversal of 102102392 is 293201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911573 + ... + 911684.

It is an arithmetic number, because the mean of its divisors is an integer number (13674435).

Almost surely, 2^102102392 is an apocalyptic number.

It is an amenable number.

102102392 is an abundant number, since it is smaller than the sum of its proper divisors (116688568).

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

102102392 is a wasteful number, since it uses less digits than its factorization.

102102392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823270 (or 1823266 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 102102392 is about 10104.5728262010. The cubic root of 102102392 is about 467.3891633878.

Adding to 102102392 its reverse (293201201), we get a palindrome (395303593).

The spelling of 102102392 in words is "one hundred two million, one hundred two thousand, three hundred ninety-two".