9023129 has 4 divisors (see below), whose sum is σ = 9106020. Its totient is φ = 8940240.

The previous prime is 9023123. The next prime is 9023137. The reversal of 9023129 is 9213209.

9023129 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 5593225 = 1852^2 + 2365^2 .

It is a cyclic number.

It is not a de Polignac number, because 9023129 - 2¹⁶ = 8957593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9023098 and 9023107.

It is not an unprimeable number, because it can be changed into a prime (9023123) 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, 41282 + ... + 41499.

It is an arithmetic number, because the mean of its divisors is an integer number (2276505).

Almost surely, 2^9023129 is an apocalyptic number.

It is an amenable number.

9023129 is a deficient number, since it is larger than the sum of its proper divisors (82891).

9023129 is a wasteful number, since it uses less digits than its factorization.

9023129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82890.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9023129 is about 3003.8523598872. The cubic root of 9023129 is about 208.1864160267.

The spelling of 9023129 in words is "nine million, twenty-three thousand, one hundred twenty-nine".