105243501 has 16 divisors (see below), whose sum is σ = 154352448. Its totient is φ = 63781520.

The previous prime is 105243499. The next prime is 105243517. The reversal of 105243501 is 105342501.

It is not a de Polignac number, because 105243501 - 2¹ = 105243499 is a prime.

It is a super-2 number, since 2×105243501² = 22152389005474002, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105243571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9186 + ... + 17171.

It is an arithmetic number, because the mean of its divisors is an integer number (9647028).

Almost surely, 2^105243501 is an apocalyptic number.

105243501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105243501 is a deficient number, since it is larger than the sum of its proper divisors (49108947).

105243501 is an equidigital number, since it uses as much as digits as its factorization.

105243501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26393 (or 26371 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105243501 is about 10258.8255175727. The cubic root of 105243501 is about 472.1338032153.

The spelling of 105243501 in words is "one hundred five million, two hundred forty-three thousand, five hundred one".