102017379 has 4 divisors (see below), whose sum is σ = 136023176. Its totient is φ = 68011584.

The previous prime is 102017369. The next prime is 102017381. The reversal of 102017379 is 973710201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973710201 = 3 ⋅324570067.

It is not a de Polignac number, because 102017379 - 2⁵ = 102017347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102017309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17002894 + ... + 17002899.

It is an arithmetic number, because the mean of its divisors is an integer number (34005794).

Almost surely, 2^102017379 is an apocalyptic number.

102017379 is a deficient number, since it is larger than the sum of its proper divisors (34005797).

102017379 is an equidigital number, since it uses as much as digits as its factorization.

102017379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005796.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 102017379 is about 10100.3652904239. The cubic root of 102017379 is about 467.2594074073.

The spelling of 102017379 in words is "one hundred two million, seventeen thousand, three hundred seventy-nine".