102918193 has 8 divisors (see below), whose sum is σ = 123811520. Its totient is φ = 83572560.

The previous prime is 102918181. The next prime is 102918199. The reversal of 102918193 is 391819201.

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

It is a cyclic number.

It is not a de Polignac number, because 102918193 - 2⁹ = 102917681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102918199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386778 + ... + 387043.

It is an arithmetic number, because the mean of its divisors is an integer number (15476440).

Almost surely, 2^102918193 is an apocalyptic number.

It is an amenable number.

102918193 is a deficient number, since it is larger than the sum of its proper divisors (20893327).

102918193 is an equidigital number, since it uses as much as digits as its factorization.

102918193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773847.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 102918193 is about 10144.8604228939. The cubic root of 102918193 is about 468.6306801958.

The spelling of 102918193 in words is "one hundred two million, nine hundred eighteen thousand, one hundred ninety-three".