9124561 has 4 divisors (see below), whose sum is σ = 9136624. Its totient is φ = 9112500.

The previous prime is 9124559. The next prime is 9124651. The reversal of 9124561 is 1654219.

9124561 is digitally balanced in base 2, 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.

It is a 5-Lehmer number, since φ(9124561) divides (9124561-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 9124561 - 2¹ = 9124559 is a prime.

It is a super-2 number, since 2×9124561² = 166515226885442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9124361) 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, 4815 + ... + 6436.

It is an arithmetic number, because the mean of its divisors is an integer number (2284156).

Almost surely, 2^9124561 is an apocalyptic number.

It is an amenable number.

9124561 is a deficient number, since it is larger than the sum of its proper divisors (12063).

9124561 is a wasteful number, since it uses less digits than its factorization.

9124561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12062.

The product of its digits is 2160, while the sum is 28.

The square root of 9124561 is about 3020.6888287276. The cubic root of 9124561 is about 208.9636086605.

The spelling of 9124561 in words is "nine million, one hundred twenty-four thousand, five hundred sixty-one".