105009202 has 4 divisors (see below), whose sum is σ = 157513806. Its totient is φ = 52504600.

The previous prime is 105009199. The next prime is 105009209. The reversal of 105009202 is 202900501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82246761 + 22762441 = 9069^2 + 4771^2 .

It is a super-2 number, since 2×105009202² = 22053865009353608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105009202.

It is not an unprimeable number, because it can be changed into a prime (105009209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26252299 + ... + 26252302.

Almost surely, 2^105009202 is an apocalyptic number.

105009202 is a deficient number, since it is larger than the sum of its proper divisors (52504604).

105009202 is an equidigital number, since it uses as much as digits as its factorization.

105009202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52504603.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 105009202 is about 10247.3997677460. The cubic root of 105009202 is about 471.7831792862.

Adding to 105009202 its reverse (202900501), we get a palindrome (307909703).

The spelling of 105009202 in words is "one hundred five million, nine thousand, two hundred two".