1330206061 has 4 divisors (see below), whose sum is σ = 1331105724. Its totient is φ = 1329306400.

The previous prime is 1330206041. The next prime is 1330206067. The reversal of 1330206061 is 1606020331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 583222500 + 746983561 = 24150^2 + 27331^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330206061 - 2¹⁷ = 1330074989 is a prime.

It is a super-3 number, since 3×1330206061³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330206067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447610 + ... + 450571.

It is an arithmetic number, because the mean of its divisors is an integer number (332776431).

Almost surely, 2^1330206061 is an apocalyptic number.

It is an amenable number.

1330206061 is a deficient number, since it is larger than the sum of its proper divisors (899663).

1330206061 is an equidigital number, since it uses as much as digits as its factorization.

1330206061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899662.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1330206061 is about 36471.9900882856. The cubic root of 1330206061 is about 1099.7812405197.

Adding to 1330206061 its reverse (1606020331), we get a palindrome (2936226392).

The spelling of 1330206061 in words is "one billion, three hundred thirty million, two hundred six thousand, sixty-one".