102866419 has 8 divisors (see below), whose sum is σ = 107442720. Its totient is φ = 98298816.

The previous prime is 102866389. The next prime is 102866479. The reversal of 102866419 is 914668201.

It is a happy number.

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 102866419 - 2⁹ = 102865907 is a prime.

It is a super-2 number, since 2×102866419² = 21163000315767122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102866479) 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, 37999 + ... + 40615.

It is an arithmetic number, because the mean of its divisors is an integer number (13430340).

Almost surely, 2^102866419 is an apocalyptic number.

102866419 is a deficient number, since it is larger than the sum of its proper divisors (4576301).

102866419 is a wasteful number, since it uses less digits than its factorization.

102866419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 102866419 is about 10142.3083664420. The cubic root of 102866419 is about 468.5520839378.

It can be divided in two parts, 102866 and 419, that added together give a triangular number (103285 = T₄₅₄).

The spelling of 102866419 in words is "one hundred two million, eight hundred sixty-six thousand, four hundred nineteen".