105200239 has 4 divisors (see below), whose sum is σ = 105536656. Its totient is φ = 104863824.

The previous prime is 105200237. The next prime is 105200243. The reversal of 105200239 is 932002501.

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

It is a cyclic number.

It is not a de Polignac number, because 105200239 - 2¹ = 105200237 is a prime.

It is a super-2 number, since 2×105200239² = 22134180571314242, 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 (105200237) 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, 167739 + ... + 168364.

It is an arithmetic number, because the mean of its divisors is an integer number (26384164).

Almost surely, 2^105200239 is an apocalyptic number.

105200239 is a deficient number, since it is larger than the sum of its proper divisors (336417).

105200239 is an equidigital number, since it uses as much as digits as its factorization.

105200239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336416.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 105200239 is about 10256.7167748749. The cubic root of 105200239 is about 472.0691016683.

The spelling of 105200239 in words is "one hundred five million, two hundred thousand, two hundred thirty-nine".