105715049 has 4 divisors (see below), whose sum is σ = 115325520. Its totient is φ = 96104580.

The previous prime is 105715039. The next prime is 105715087. The reversal of 105715049 is 940517501.

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 not a de Polignac number, because 105715049 - 2⁴ = 105715033 is a prime.

It is a super-2 number, since 2×105715049² = 22351343170144802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105715039) 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, 4805219 + ... + 4805240.

It is an arithmetic number, because the mean of its divisors is an integer number (28831380).

Almost surely, 2^105715049 is an apocalyptic number.

It is an amenable number.

105715049 is a deficient number, since it is larger than the sum of its proper divisors (9610471).

105715049 is an equidigital number, since it uses as much as digits as its factorization.

105715049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610470.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 105715049 is about 10281.7823843923. The cubic root of 105715049 is about 472.8378912494.

The spelling of 105715049 in words is "one hundred five million, seven hundred fifteen thousand, forty-nine".