9102113 has 4 divisors (see below), whose sum is σ = 9109380. Its totient is φ = 9094848.

The previous prime is 9102109. The next prime is 9102131. The reversal of 9102113 is 3112019.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5326864 + 3775249 = 2308^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 9102113 - 2² = 9102109 is a prime.

It is a super-2 number, since 2×9102113² = 165696922129538, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9102091 and 9102100.

It is not an unprimeable number, because it can be changed into a prime (9102193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (2277345).

Almost surely, 2^9102113 is an apocalyptic number.

It is an amenable number.

9102113 is a deficient number, since it is larger than the sum of its proper divisors (7267).

9102113 is a wasteful number, since it uses less digits than its factorization.

9102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 9102113 is about 3016.9708318113. The cubic root of 9102113 is about 208.7921057212.

The spelling of 9102113 in words is "nine million, one hundred two thousand, one hundred thirteen".