9181061 has 4 divisors (see below), whose sum is σ = 9189792. Its totient is φ = 9172332.

The previous prime is 9181057. The next prime is 9181063. The reversal of 9181061 is 1601819.

9181061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1601819 = 53 ⋅30223.

It is a cyclic number.

It is not a de Polignac number, because 9181061 - 2² = 9181057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9181061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9181063) 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, 2531 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (2297448).

Almost surely, 2^9181061 is an apocalyptic number.

It is an amenable number.

9181061 is a deficient number, since it is larger than the sum of its proper divisors (8731).

9181061 is a wasteful number, since it uses less digits than its factorization.

9181061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 9181061 is about 3030.0265675403. The cubic root of 9181061 is about 209.3940278541.

The spelling of 9181061 in words is "nine million, one hundred eighty-one thousand, sixty-one".