105203122 has 16 divisors (see below), whose sum is σ = 159845400. Its totient is φ = 51925888.

The previous prime is 105203083. The next prime is 105203129. The reversal of 105203122 is 221302501.

It can be written as a sum of positive squares in 4 ways, for example, as 103245921 + 1957201 = 10161^2 + 1399^2 .

It is a super-2 number, since 2×105203122² = 22135393757093768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105203096 and 105203105.

It is not an unprimeable number, because it can be changed into a prime (105203129) 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, 53004 + ... + 54952.

Almost surely, 2^105203122 is an apocalyptic number.

105203122 is a deficient number, since it is larger than the sum of its proper divisors (54642278).

105203122 is a wasteful number, since it uses less digits than its factorization.

105203122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285.

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

The square root of 105203122 is about 10256.8573159618. The cubic root of 105203122 is about 472.0734139614.

Adding to 105203122 its reverse (221302501), we get a palindrome (326505623).

The spelling of 105203122 in words is "one hundred five million, two hundred three thousand, one hundred twenty-two".