105303057 has 4 divisors (see below), whose sum is σ = 140404080. Its totient is φ = 70202036.

The previous prime is 105303043. The next prime is 105303061. The reversal of 105303057 is 750303501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105303057 - 2⁴ = 105303041 is a prime.

It is a super-2 number, since 2×105303057² = 22177467627090498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105303067) 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, 17550507 + ... + 17550512.

It is an arithmetic number, because the mean of its divisors is an integer number (35101020).

Almost surely, 2^105303057 is an apocalyptic number.

It is an amenable number.

105303057 is a deficient number, since it is larger than the sum of its proper divisors (35101023).

105303057 is an equidigital number, since it uses as much as digits as its factorization.

105303057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35101022.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 105303057 is about 10261.7277784981. The cubic root of 105303057 is about 472.2228446548. Note that the first 3 decimals are identical.

Adding to 105303057 its reverse (750303501), we get a palindrome (855606558).

The spelling of 105303057 in words is "one hundred five million, three hundred three thousand, fifty-seven".