105012051 has 4 divisors (see below), whose sum is σ = 140016072. Its totient is φ = 70008032.

The previous prime is 105012041. The next prime is 105012073. The reversal of 105012051 is 150210501.

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

It is a cyclic number.

It is not a de Polignac number, because 105012051 - 2¹³ = 105003859 is a prime.

It is a super-2 number, since 2×105012051² = 22055061710453202, 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 105012051.

It is not an unprimeable number, because it can be changed into a prime (105012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17502006 + ... + 17502011.

It is an arithmetic number, because the mean of its divisors is an integer number (35004018).

Almost surely, 2^105012051 is an apocalyptic number.

105012051 is a deficient number, since it is larger than the sum of its proper divisors (35004021).

105012051 is an equidigital number, since it uses as much as digits as its factorization.

105012051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35004020.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 105012051 is about 10247.5387776773. The cubic root of 105012051 is about 471.7874458905.

Adding to 105012051 its reverse (150210501), we get a palindrome (255222552).

The spelling of 105012051 in words is "one hundred five million, twelve thousand, fifty-one".