1320411461 has 2 divisors, whose sum is σ = 1320411462. Its totient is φ = 1320411460.

The previous prime is 1320411409. The next prime is 1320411473. The reversal of 1320411461 is 1641140231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738154561 + 582256900 = 27169^2 + 24130^2 .

It is an emirp because it is prime and its reverse (1641140231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320411461 - 2⁶ = 1320411397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320411401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660205730 + 660205731.

It is an arithmetic number, because the mean of its divisors is an integer number (660205731).

Almost surely, 2^1320411461 is an apocalyptic number.

It is an amenable number.

1320411461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320411461 is an equidigital number, since it uses as much as digits as its factorization.

1320411461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1320411461 is about 36337.4663536136. The cubic root of 1320411461 is about 1097.0752776350.

Adding to 1320411461 its reverse (1641140231), we get a palindrome (2961551692).

The spelling of 1320411461 in words is "one billion, three hundred twenty million, four hundred eleven thousand, four hundred sixty-one".