1206433061 has 4 divisors (see below), whose sum is σ = 1208553900. Its totient is φ = 1204312224.

The previous prime is 1206433009. The next prime is 1206433093. The reversal of 1206433061 is 1603346021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1603346021 = 61 ⋅26284361.

It can be written as a sum of positive squares in 2 ways, for example, as 422097025 + 784336036 = 20545^2 + 28006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1206433061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1206433061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206436061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059566 + ... + 1060703.

It is an arithmetic number, because the mean of its divisors is an integer number (302138475).

Almost surely, 2^1206433061 is an apocalyptic number.

It is an amenable number.

1206433061 is a deficient number, since it is larger than the sum of its proper divisors (2120839).

1206433061 is an equidigital number, since it uses as much as digits as its factorization.

1206433061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120838.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1206433061 is about 34733.7452774676. The cubic root of 1206433061 is about 1064.5541157712.

Adding to 1206433061 its reverse (1603346021), we get a palindrome (2809779082).

The spelling of 1206433061 in words is "one billion, two hundred six million, four hundred thirty-three thousand, sixty-one".