9122150321 has 2 divisors, whose sum is σ = 9122150322. Its totient is φ = 9122150320.

The previous prime is 9122150281. The next prime is 9122150341. The reversal of 9122150321 is 1230512219.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7235203600 + 1886946721 = 85060^2 + 43439^2 .

It is a cyclic number.

It is not a de Polignac number, because 9122150321 - 2¹⁰ = 9122149297 is a prime.

It is not a weakly prime, because it can be changed into another prime (9122150341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4561075160 + 4561075161.

It is an arithmetic number, because the mean of its divisors is an integer number (4561075161).

Almost surely, 2^9122150321 is an apocalyptic number.

It is an amenable number.

9122150321 is a deficient number, since it is larger than the sum of its proper divisors (1).

9122150321 is an equidigital number, since it uses as much as digits as its factorization.

9122150321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 9122150321 is about 95509.9488063940. The cubic root of 9122150321 is about 2089.4520454027.

The spelling of 9122150321 in words is "nine billion, one hundred twenty-two million, one hundred fifty thousand, three hundred twenty-one".