461311121 has 2 divisors, whose sum is σ = 461311122. Its totient is φ = 461311120.

The previous prime is 461311057. The next prime is 461311139. The reversal of 461311121 is 121113164.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459502096 + 1809025 = 21436^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 461311121 - 2⁶ = 461311057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 461311093 and 461311102.

It is not a weakly prime, because it can be changed into another prime (461311321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230655560 + 230655561.

It is an arithmetic number, because the mean of its divisors is an integer number (230655561).

Almost surely, 2^461311121 is an apocalyptic number.

It is an amenable number.

461311121 is a deficient number, since it is larger than the sum of its proper divisors (1).

461311121 is an equidigital number, since it uses as much as digits as its factorization.

461311121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 461311121 is about 21478.1545063816. The cubic root of 461311121 is about 772.6769819639.

Adding to 461311121 its reverse (121113164), we get a palindrome (582424285).

The spelling of 461311121 in words is "four hundred sixty-one million, three hundred eleven thousand, one hundred twenty-one".