105234287 has 8 divisors (see below), whose sum is σ = 109291776. Its totient is φ = 101250072.

The previous prime is 105234281. The next prime is 105234299. The reversal of 105234287 is 782432501.

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 105234287 - 2¹⁸ = 104972143 is a prime.

It is a super-2 number, since 2×105234287² = 22148510320796738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105234281) 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, 15383 + ... + 21144.

It is an arithmetic number, because the mean of its divisors is an integer number (13661472).

Almost surely, 2^105234287 is an apocalyptic number.

105234287 is a deficient number, since it is larger than the sum of its proper divisors (4057489).

105234287 is an equidigital number, since it uses as much as digits as its factorization.

105234287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36637.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 105234287 is about 10258.3764309953. The cubic root of 105234287 is about 472.1200244774.

Adding to 105234287 its reverse (782432501), we get a palindrome (887666788).

The spelling of 105234287 in words is "one hundred five million, two hundred thirty-four thousand, two hundred eighty-seven".