105140203 has 8 divisors (see below), whose sum is σ = 122955008. Its totient is φ = 88024104.

The previous prime is 105140197. The next prime is 105140209. The reversal of 105140203 is 302041501.

It is an interprime number because it is at equal distance from previous prime (105140197) and next prime (105140209).

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

It is a de Polignac number, because none of the positive numbers 2^k-105140203 is a prime.

It is a super-2 number, since 2×105140203² = 22108924573762418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105140209) 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, 174351 + ... + 174952.

It is an arithmetic number, because the mean of its divisors is an integer number (15369376).

Almost surely, 2^105140203 is an apocalyptic number.

105140203 is a deficient number, since it is larger than the sum of its proper divisors (17814805).

105140203 is an equidigital number, since it uses as much as digits as its factorization.

105140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349353.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 105140203 is about 10253.7896896708. The cubic root of 105140203 is about 471.9792839586.

Adding to 105140203 its reverse (302041501), we get a palindrome (407181704).

The spelling of 105140203 in words is "one hundred five million, one hundred forty thousand, two hundred three".