90122041 has 2 divisors, whose sum is σ = 90122042. Its totient is φ = 90122040.

The previous prime is 90122029. The next prime is 90122057. The reversal of 90122041 is 14022109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89965225 + 156816 = 9485^2 + 396^2 .

It is a cyclic number.

It is not a de Polignac number, because 90122041 - 2¹¹ = 90119993 is a prime.

It is not a weakly prime, because it can be changed into another prime (90122341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45061020 + 45061021.

It is an arithmetic number, because the mean of its divisors is an integer number (45061021).

Almost surely, 2^90122041 is an apocalyptic number.

It is an amenable number.

90122041 is a deficient number, since it is larger than the sum of its proper divisors (1).

90122041 is an equidigital number, since it uses as much as digits as its factorization.

90122041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 90122041 is about 9493.2629269393. The cubic root of 90122041 is about 448.3429443206.

The spelling of 90122041 in words is "ninety million, one hundred twenty-two thousand, forty-one".