102000258 has 12 divisors (see below), whose sum is σ = 221000598. Its totient is φ = 34000080.

The previous prime is 102000247. The next prime is 102000259. The reversal of 102000258 is 852000201.

It can be written as a sum of positive squares in only one way, i.e., 97476129 + 4524129 = 9873^2 + 2127^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5666681 = 102000258 / (1 + 0 + 2 + 0 + 0 + 0 + 2 + 5 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 102000258.

It is not an unprimeable number, because it can be changed into a prime (102000259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2833323 + ... + 2833358.

Almost surely, 2^102000258 is an apocalyptic number.

102000258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102000258 is an abundant number, since it is smaller than the sum of its proper divisors (119000340).

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

102000258 is a wasteful number, since it uses less digits than its factorization.

102000258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666689 (or 5666686 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 102000258 is about 10099.5177112573. The cubic root of 102000258 is about 467.2332667766.

Adding to 102000258 its reverse (852000201), we get a palindrome (954000459).

The spelling of 102000258 in words is "one hundred two million, two hundred fifty-eight", and thus it is an aban number.