105240093 has 12 divisors (see below), whose sum is σ = 163229760. Its totient is φ = 60137112.

The previous prime is 105240061. The next prime is 105240119. The reversal of 105240093 is 390042501.

It is not a de Polignac number, because 105240093 - 2⁵ = 105240061 is a prime.

It is a super-2 number, since 2×105240093² = 22150954349297298, 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 (105240193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357813 + ... + 358106.

It is an arithmetic number, because the mean of its divisors is an integer number (13602480).

Almost surely, 2^105240093 is an apocalyptic number.

It is an amenable number.

105240093 is a deficient number, since it is larger than the sum of its proper divisors (57989667).

105240093 is an equidigital number, since it uses as much as digits as its factorization.

105240093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715936 (or 715929 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 105240093 is about 10258.6594153427. The cubic root of 105240093 is about 472.1287069406.

Adding to 105240093 its reverse (390042501), we get a palindrome (495282594).

The spelling of 105240093 in words is "one hundred five million, two hundred forty thousand, ninety-three".