10122165 has 28 divisors (see below), whose sum is σ = 18218124. Its totient is φ = 5396544.

The previous prime is 10122163. The next prime is 10122179. The reversal of 10122165 is 56122101.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 7584516 = 1593^2 + 2754^2 .

It is not a de Polignac number, because 10122165 - 2¹ = 10122163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122163) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2257 + ... + 5033.

Almost surely, 2^10122165 is an apocalyptic number.

10122165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10122165 is a deficient number, since it is larger than the sum of its proper divisors (8095959).

10122165 is an frugal number, since it uses more digits than its factorization.

10122165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800 (or 2785 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 10122165 is about 3181.5350068795. The cubic root of 10122165 is about 216.3172421673.

Adding to 10122165 its reverse (56122101), we get a palindrome (66244266).

The spelling of 10122165 in words is "ten million, one hundred twenty-two thousand, one hundred sixty-five".