105123002 has 8 divisors (see below), whose sum is σ = 166960116. Its totient is φ = 49469632.

The previous prime is 105123001. The next prime is 105123017. The reversal of 105123002 is 200321501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102839881 + 2283121 = 10141^2 + 1511^2 .

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

It is a super-2 number, since 2×105123002² = 22101691098984008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105123001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545893 + ... + 1545960.

Almost surely, 2^105123002 is an apocalyptic number.

105123002 is a deficient number, since it is larger than the sum of its proper divisors (61837114).

105123002 is a wasteful number, since it uses less digits than its factorization.

105123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091872.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 105123002 is about 10252.9508923041. The cubic root of 105123002 is about 471.9535438573.

Adding to 105123002 its reverse (200321501), we get a palindrome (305444503).

The spelling of 105123002 in words is "one hundred five million, one hundred twenty-three thousand, two".