9052121 has 4 divisors (see below), whose sum is σ = 9748452. Its totient is φ = 8355792.

The previous prime is 9052117. The next prime is 9052129. The reversal of 9052121 is 1212509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1212509 = 59 ⋅20551.

It can be written as a sum of positive squares in 2 ways, for example, as 2676496 + 6375625 = 1636^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 9052121 - 2² = 9052117 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9052093 and 9052102.

It is not an unprimeable number, because it can be changed into a prime (9052129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348146 + ... + 348171.

It is an arithmetic number, because the mean of its divisors is an integer number (2437113).

Almost surely, 2^9052121 is an apocalyptic number.

It is an amenable number.

9052121 is a deficient number, since it is larger than the sum of its proper divisors (696331).

9052121 is a wasteful number, since it uses less digits than its factorization.

9052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696330.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 9052121 is about 3008.6742927741. The cubic root of 9052121 is about 208.4091505739.

The spelling of 9052121 in words is "nine million, fifty-two thousand, one hundred twenty-one".