102193919 has 8 divisors (see below), whose sum is σ = 108385200. Its totient is φ = 96022656.

The previous prime is 102193909. The next prime is 102193937. The reversal of 102193919 is 919391201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102193919 is a prime.

It is a super-2 number, since 2×102193919² = 20887194161157122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102193909) 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, 6257 + ... + 15605.

It is an arithmetic number, because the mean of its divisors is an integer number (13548150).

Almost surely, 2^102193919 is an apocalyptic number.

102193919 is a deficient number, since it is larger than the sum of its proper divisors (6191281).

102193919 is an equidigital number, since it uses as much as digits as its factorization.

102193919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10009.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 102193919 is about 10109.1008007636. The cubic root of 102193919 is about 467.5287812454.

The spelling of 102193919 in words is "one hundred two million, one hundred ninety-three thousand, nine hundred nineteen".