102230989 has 4 divisors (see below), whose sum is σ = 116835424. Its totient is φ = 87626556.

The previous prime is 102230981. The next prime is 102231049. The reversal of 102230989 is 989032201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 989032201 = 71 ⋅13930031.

It is a cyclic number.

It is not a de Polignac number, because 102230989 - 2³ = 102230981 is a prime.

It is a super-2 number, since 2×102230989² = 20902350223836242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102230981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7302207 + ... + 7302220.

It is an arithmetic number, because the mean of its divisors is an integer number (29208856).

Almost surely, 2^102230989 is an apocalyptic number.

It is an amenable number.

102230989 is a deficient number, since it is larger than the sum of its proper divisors (14604435).

102230989 is an equidigital number, since it uses as much as digits as its factorization.

102230989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14604434.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 102230989 is about 10110.9341309297. The cubic root of 102230989 is about 467.5853051460.

The spelling of 102230989 in words is "one hundred two million, two hundred thirty thousand, nine hundred eighty-nine".