105070505 has 4 divisors (see below), whose sum is σ = 126084612. Its totient is φ = 84056400.

The previous prime is 105070499. The next prime is 105070547. The reversal of 105070505 is 505070501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73136704 + 31933801 = 8552^2 + 5651^2 .

It is a de Polignac number, because none of the positive numbers 2^k-105070505 is a prime.

It is a super-2 number, since 2×105070505² = 22079622041910050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10507046 + ... + 10507055.

It is an arithmetic number, because the mean of its divisors is an integer number (31521153).

Almost surely, 2^105070505 is an apocalyptic number.

It is an amenable number.

105070505 is a deficient number, since it is larger than the sum of its proper divisors (21014107).

105070505 is an equidigital number, since it uses as much as digits as its factorization.

105070505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21014106.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 105070505 is about 10250.3904803671. The cubic root of 105070505 is about 471.8749683786.

The spelling of 105070505 in words is "one hundred five million, seventy thousand, five hundred five".