9272129 has 2 divisors, whose sum is σ = 9272130. Its totient is φ = 9272128.

The previous prime is 9272101. The next prime is 9272147. The reversal of 9272129 is 9212729.

9272129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8862529 + 409600 = 2977^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 9272129 - 2¹² = 9268033 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9272095 and 9272104.

It is not a weakly prime, because it can be changed into another prime (9272189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4636064 + 4636065.

It is an arithmetic number, because the mean of its divisors is an integer number (4636065).

Almost surely, 2^9272129 is an apocalyptic number.

It is an amenable number.

9272129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9272129 is an equidigital number, since it uses as much as digits as its factorization.

9272129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 9272129 is about 3045.0170771278. The cubic root of 9272129 is about 210.0840857524.

The spelling of 9272129 in words is "nine million, two hundred seventy-two thousand, one hundred twenty-nine".