948490121 has 2 divisors, whose sum is σ = 948490122. Its totient is φ = 948490120.

The previous prime is 948490117. The next prime is 948490139. The reversal of 948490121 is 121094849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828806521 + 119683600 = 28789^2 + 10940^2 .

It is a cyclic number.

It is not a de Polignac number, because 948490121 - 2² = 948490117 is a prime.

It is not a weakly prime, because it can be changed into another prime (948490141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474245060 + 474245061.

It is an arithmetic number, because the mean of its divisors is an integer number (474245061).

Almost surely, 2^948490121 is an apocalyptic number.

It is an amenable number.

948490121 is a deficient number, since it is larger than the sum of its proper divisors (1).

948490121 is an equidigital number, since it uses as much as digits as its factorization.

948490121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 948490121 is about 30797.5668032395. The cubic root of 948490121 is about 982.5264953241.

The spelling of 948490121 in words is "nine hundred forty-eight million, four hundred ninety thousand, one hundred twenty-one".