105492857 has 4 divisors (see below), whose sum is σ = 106678260. Its totient is φ = 104307456.

The previous prime is 105492839. The next prime is 105492899. The reversal of 105492857 is 758294501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758294501 = 24709 ⋅30689.

It can be written as a sum of positive squares in 2 ways, for example, as 30514576 + 74978281 = 5524^2 + 8659^2 .

It is a cyclic number.

It is not a de Polignac number, because 105492857 - 2¹⁰ = 105491833 is a prime.

It is a super-2 number, since 2×105492857² = 22257485756044898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105492817) 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, 592568 + ... + 592745.

It is an arithmetic number, because the mean of its divisors is an integer number (26669565).

Almost surely, 2^105492857 is an apocalyptic number.

It is an amenable number.

105492857 is a deficient number, since it is larger than the sum of its proper divisors (1185403).

105492857 is an equidigital number, since it uses as much as digits as its factorization.

105492857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185402.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 105492857 is about 10270.9715704017. The cubic root of 105492857 is about 472.5063884992.

The spelling of 105492857 in words is "one hundred five million, four hundred ninety-two thousand, eight hundred fifty-seven".