102643118 has 8 divisors (see below), whose sum is σ = 154513440. Its totient is φ = 51138640.

The previous prime is 102643103. The next prime is 102643133. The reversal of 102643118 is 811346201.

It is an interprime number because it is at equal distance from previous prime (102643103) and next prime (102643133).

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

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, 90758 + ... + 91881.

It is an arithmetic number, because the mean of its divisors is an integer number (19314180).

Almost surely, 2^102643118 is an apocalyptic number.

102643118 is a deficient number, since it is larger than the sum of its proper divisors (51870322).

102643118 is a wasteful number, since it uses less digits than its factorization.

102643118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182922.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 102643118 is about 10131.2939943524. The cubic root of 102643118 is about 468.2127961839.

Adding to 102643118 its reverse (811346201), we get a palindrome (913989319).

It can be divided in two parts, 1026 and 43118, that added together give a palindrome (44144).

The spelling of 102643118 in words is "one hundred two million, six hundred forty-three thousand, one hundred eighteen".