105142011 has 8 divisors (see below), whose sum is σ = 150973200. Its totient is φ = 64702752.

The previous prime is 105142007. The next prime is 105142013. The reversal of 105142011 is 110241501.

It is a happy number.

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

It is not a de Polignac number, because 105142011 - 2² = 105142007 is a prime.

It is a super-2 number, since 2×105142011² = 22109684954248242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105142013) 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, 1347936 + ... + 1348013.

It is an arithmetic number, because the mean of its divisors is an integer number (18871650).

Almost surely, 2^105142011 is an apocalyptic number.

105142011 is a deficient number, since it is larger than the sum of its proper divisors (45831189).

105142011 is a wasteful number, since it uses less digits than its factorization.

105142011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695965.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 105142011 is about 10253.8778518178. The cubic root of 105142011 is about 471.9819893420.

Adding to 105142011 its reverse (110241501), we get a palindrome (215383512).

The spelling of 105142011 in words is "one hundred five million, one hundred forty-two thousand, eleven".