102028393 has 2 divisors, whose sum is σ = 102028394. Its totient is φ = 102028392.

The previous prime is 102028387. The next prime is 102028397. The reversal of 102028393 is 393820201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66064384 + 35964009 = 8128^2 + 5997^2 .

It is a cyclic number.

It is not a de Polignac number, because 102028393 - 2⁵ = 102028361 is a prime.

It is not a weakly prime, because it can be changed into another prime (102028397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51014196 + 51014197.

It is an arithmetic number, because the mean of its divisors is an integer number (51014197).

Almost surely, 2^102028393 is an apocalyptic number.

It is an amenable number.

102028393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102028393 is an equidigital number, since it uses as much as digits as its factorization.

102028393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 102028393 is about 10100.9105035140. The cubic root of 102028393 is about 467.2762222219.

Adding to 102028393 its reverse (393820201), we get a palindrome (495848594).

The spelling of 102028393 in words is "one hundred two million, twenty-eight thousand, three hundred ninety-three".