489741121 has 2 divisors, whose sum is σ = 489741122. Its totient is φ = 489741120.

The previous prime is 489741059. The next prime is 489741127. The reversal of 489741121 is 121147984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458816400 + 30924721 = 21420^2 + 5561^2 .

It is a cyclic number.

It is not a de Polignac number, because 489741121 - 2⁹ = 489740609 is a prime.

It is not a weakly prime, because it can be changed into another prime (489741127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244870560 + 244870561.

It is an arithmetic number, because the mean of its divisors is an integer number (244870561).

Almost surely, 2^489741121 is an apocalyptic number.

It is an amenable number.

489741121 is a deficient number, since it is larger than the sum of its proper divisors (1).

489741121 is an equidigital number, since it uses as much as digits as its factorization.

489741121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 37.

The square root of 489741121 is about 22130.0953680729. The cubic root of 489741121 is about 788.2346528407.

The spelling of 489741121 in words is "four hundred eighty-nine million, seven hundred forty-one thousand, one hundred twenty-one".