90466121 has 2 divisors, whose sum is σ = 90466122. Its totient is φ = 90466120.

The previous prime is 90466093. The next prime is 90466133. The reversal of 90466121 is 12166409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89038096 + 1428025 = 9436^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 90466121 - 2¹⁰ = 90465097 is a prime.

It is not a weakly prime, because it can be changed into another prime (90466151) 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 as a sum of consecutive naturals, namely, 45233060 + 45233061.

It is an arithmetic number, because the mean of its divisors is an integer number (45233061).

Almost surely, 2^90466121 is an apocalyptic number.

It is an amenable number.

90466121 is a deficient number, since it is larger than the sum of its proper divisors (1).

90466121 is an equidigital number, since it uses as much as digits as its factorization.

90466121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 90466121 is about 9511.3679878343. The cubic root of 90466121 is about 448.9128009592.

The spelling of 90466121 in words is "ninety million, four hundred sixty-six thousand, one hundred twenty-one".