105870029 has 2 divisors, whose sum is σ = 105870030. Its totient is φ = 105870028.

The previous prime is 105869993. The next prime is 105870041. The reversal of 105870029 is 920078501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105781225 + 88804 = 10285^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 105870029 - 2¹² = 105865933 is a prime.

It is a super-2 number, since 2×105870029² = 22416926080921682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105869977 and 105870004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105870229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52935014 + 52935015.

It is an arithmetic number, because the mean of its divisors is an integer number (52935015).

Almost surely, 2^105870029 is an apocalyptic number.

It is an amenable number.

105870029 is a deficient number, since it is larger than the sum of its proper divisors (1).

105870029 is an equidigital number, since it uses as much as digits as its factorization.

105870029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 105870029 is about 10289.3162552232. The cubic root of 105870029 is about 473.0688411350.

The spelling of 105870029 in words is "one hundred five million, eight hundred seventy thousand, twenty-nine".