10420105 has 8 divisors (see below), whose sum is σ = 12525192. Its totient is φ = 8322048.

The previous prime is 10420103. The next prime is 10420129. The reversal of 10420105 is 50102401.

It can be written as a sum of positive squares in 4 ways, for example, as 3717184 + 6702921 = 1928^2 + 2589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10420105 - 2¹ = 10420103 is a prime.

It is a super-2 number, since 2×10420105² = 217157176422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10420103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (1565649).

Almost surely, 2^10420105 is an apocalyptic number.

It is an amenable number.

10420105 is a deficient number, since it is larger than the sum of its proper divisors (2105087).

10420105 is an equidigital number, since it uses as much as digits as its factorization.

10420105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 10420105 is about 3228.0187422009. The cubic root of 10420105 is about 218.4191428273.

Adding to 10420105 its reverse (50102401), we get a palindrome (60522506).

The spelling of 10420105 in words is "ten million, four hundred twenty thousand, one hundred five".