105070305 has 16 divisors (see below), whose sum is σ = 168560640. Its totient is φ = 55888128.

The previous prime is 105070291. The next prime is 105070307. The reversal of 105070305 is 503070501.

It is a happy number.

It is not a de Polignac number, because 105070305 - 2¹⁰ = 105069281 is a prime.

It is a super-2 number, since 2×105070305² = 22079537985586050, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105070307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3400 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (10535040).

Almost surely, 2^105070305 is an apocalyptic number.

105070305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105070305 is a deficient number, since it is larger than the sum of its proper divisors (63490335).

105070305 is a wasteful number, since it uses less digits than its factorization.

105070305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18680.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 105070305 is about 10250.3807246365. The cubic root of 105070305 is about 471.8746689763.

The spelling of 105070305 in words is "one hundred five million, seventy thousand, three hundred five".