105706147 has 4 divisors (see below), whose sum is σ = 106207336. Its totient is φ = 105204960.

The previous prime is 105706121. The next prime is 105706163. The reversal of 105706147 is 741607501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741607501 = 47 ⋅15778883.

It is a cyclic number.

It is not a de Polignac number, because 105706147 - 2⁷ = 105706019 is a prime.

It is a super-2 number, since 2×105706147² = 22347579027171218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105766147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250278 + ... + 250699.

It is an arithmetic number, because the mean of its divisors is an integer number (26551834).

Almost surely, 2^105706147 is an apocalyptic number.

105706147 is a deficient number, since it is larger than the sum of its proper divisors (501189).

105706147 is an equidigital number, since it uses as much as digits as its factorization.

105706147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501188.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 105706147 is about 10281.3494736829. The cubic root of 105706147 is about 472.8246187112.

The spelling of 105706147 in words is "one hundred five million, seven hundred six thousand, one hundred forty-seven".