105020452 has 6 divisors (see below), whose sum is σ = 183785798. Its totient is φ = 52510224.

The previous prime is 105020449. The next prime is 105020471. The reversal of 105020452 is 254020501.

It can be written as a sum of positive squares in only one way, i.e., 88811776 + 16208676 = 9424^2 + 4026^2 .

It is a super-2 number, since 2×105020452² = 22058590676568608, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13127553 + ... + 13127560.

Almost surely, 2^105020452 is an apocalyptic number.

It is an amenable number.

105020452 is a deficient number, since it is larger than the sum of its proper divisors (78765346).

105020452 is a wasteful number, since it uses less digits than its factorization.

105020452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255117 (or 26255115 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 105020452 is about 10247.9486727833. The cubic root of 105020452 is about 471.8000266073.

Adding to 105020452 its reverse (254020501), we get a palindrome (359040953).

The spelling of 105020452 in words is "one hundred five million, twenty thousand, four hundred fifty-two".