285102119 has 4 divisors (see below), whose sum is σ = 285230040. Its totient is φ = 284974200.

The previous prime is 285102079. The next prime is 285102137. The reversal of 285102119 is 911201582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285102119 is a prime.

It is a super-2 number, since 2×285102119² = 162566436516580322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285102091 and 285102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285102149) 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, 60557 + ... + 65094.

It is an arithmetic number, because the mean of its divisors is an integer number (71307510).

Almost surely, 2^285102119 is an apocalyptic number.

285102119 is a deficient number, since it is larger than the sum of its proper divisors (127921).

285102119 is a wasteful number, since it uses less digits than its factorization.

285102119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127920.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 285102119 is about 16884.9672490058. The cubic root of 285102119 is about 658.1630270500.

The spelling of 285102119 in words is "two hundred eighty-five million, one hundred two thousand, one hundred nineteen".