105106247 has 8 divisors (see below), whose sum is σ = 108719520. Its totient is φ = 101543040.

The previous prime is 105106217. The next prime is 105106273. The reversal of 105106247 is 742601501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105106247 is a prime.

It is a super-2 number, since 2×105106247² = 22094646316850018, 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 (105106217) 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, 8222 + ... + 16667.

It is an arithmetic number, because the mean of its divisors is an integer number (13589940).

Almost surely, 2^105106247 is an apocalyptic number.

105106247 is a deficient number, since it is larger than the sum of its proper divisors (3613273).

105106247 is a wasteful number, since it uses less digits than its factorization.

105106247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25033.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 105106247 is about 10252.1337779020. The cubic root of 105106247 is about 471.9284684643.

Adding to 105106247 its reverse (742601501), we get a palindrome (847707748).

The spelling of 105106247 in words is "one hundred five million, one hundred six thousand, two hundred forty-seven".