488221121 has 2 divisors, whose sum is σ = 488221122. Its totient is φ = 488221120.

The previous prime is 488221091. The next prime is 488221163. The reversal of 488221121 is 121122884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470412721 + 17808400 = 21689^2 + 4220^2 .

It is a cyclic number.

It is not a de Polignac number, because 488221121 - 2⁶ = 488221057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (488221421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244110560 + 244110561.

It is an arithmetic number, because the mean of its divisors is an integer number (244110561).

Almost surely, 2^488221121 is an apocalyptic number.

It is an amenable number.

488221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

488221121 is an equidigital number, since it uses as much as digits as its factorization.

488221121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 29.

The square root of 488221121 is about 22095.7263062340. The cubic root of 488221121 is about 787.4183315325.

The spelling of 488221121 in words is "four hundred eighty-eight million, two hundred twenty-one thousand, one hundred twenty-one".