102820119 has 8 divisors (see below), whose sum is σ = 137141232. Its totient is φ = 68522880.

The previous prime is 102820117. The next prime is 102820163. The reversal of 102820119 is 911028201.

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

It is not a de Polignac number, because 102820119 - 2¹ = 102820117 is a prime.

It is a super-2 number, since 2×102820119² = 21143953742348322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102820111) 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, 10879 + ... + 17999.

It is an arithmetic number, because the mean of its divisors is an integer number (17142654).

Almost surely, 2^102820119 is an apocalyptic number.

102820119 is a deficient number, since it is larger than the sum of its proper divisors (34321113).

102820119 is an equidigital number, since it uses as much as digits as its factorization.

102820119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11937.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 102820119 is about 10140.0255916837. The cubic root of 102820119 is about 468.4817752232.

The spelling of 102820119 in words is "one hundred two million, eight hundred twenty thousand, one hundred nineteen".