1335120541 has 2 divisors, whose sum is σ = 1335120542. Its totient is φ = 1335120540.

The previous prime is 1335120533. The next prime is 1335120571. The reversal of 1335120541 is 1450215331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1011876100 + 323244441 = 31810^2 + 17979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335120541 - 2³ = 1335120533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1335120571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667560270 + 667560271.

It is an arithmetic number, because the mean of its divisors is an integer number (667560271).

Almost surely, 2^1335120541 is an apocalyptic number.

It is an amenable number.

1335120541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335120541 is an equidigital number, since it uses as much as digits as its factorization.

1335120541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1335120541 is about 36539.3013206328. The cubic root of 1335120541 is about 1101.1339658795.

Adding to 1335120541 its reverse (1450215331), we get a palindrome (2785335872).

The spelling of 1335120541 in words is "one billion, three hundred thirty-five million, one hundred twenty thousand, five hundred forty-one".