10505118 has 16 divisors (see below), whose sum is σ = 22626576. Its totient is φ = 3232320.

The previous prime is 10505113. The next prime is 10505123. The reversal of 10505118 is 81150501.

It is an interprime number because it is at equal distance from previous prime (10505113) and next prime (10505123).

It is a super-2 number, since 2×10505118² = 220715008387848, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10505094 and 10505103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67263 + ... + 67418.

It is an arithmetic number, because the mean of its divisors is an integer number (1414161).

Almost surely, 2^10505118 is an apocalyptic number.

10505118 is an abundant number, since it is smaller than the sum of its proper divisors (12121458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505118 is a wasteful number, since it uses less digits than its factorization.

10505118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134699.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 10505118 is about 3241.1599775389. The cubic root of 10505118 is about 219.0115295946.

Adding to 10505118 its reverse (81150501), we get a palindrome (91655619).

The spelling of 10505118 in words is "ten million, five hundred five thousand, one hundred eighteen".