105398203 has 8 divisors (see below), whose sum is σ = 109329968. Its totient is φ = 101533824.

The previous prime is 105398191. The next prime is 105398207. The reversal of 105398203 is 302893501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105398203 - 2¹³ = 105390011 is a prime.

It is a super-2 number, since 2×105398203² = 22217562391258418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105398207) 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, 13650 + ... + 19927.

It is an arithmetic number, because the mean of its divisors is an integer number (13666246).

Almost surely, 2^105398203 is an apocalyptic number.

105398203 is a deficient number, since it is larger than the sum of its proper divisors (3931765).

105398203 is an equidigital number, since it uses as much as digits as its factorization.

105398203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33693.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 105398203 is about 10266.3626957165. The cubic root of 105398203 is about 472.3650266285.

The spelling of 105398203 in words is "one hundred five million, three hundred ninety-eight thousand, two hundred three".