1206449941 has 2 divisors, whose sum is σ = 1206449942. Its totient is φ = 1206449940.

The previous prime is 1206449939. The next prime is 1206449953. The reversal of 1206449941 is 1499446021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067917041 + 138532900 = 32679^2 + 11770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206449941 - 2¹ = 1206449939 is a prime.

Together with 1206449939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1206449894 and 1206449903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206447941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603224970 + 603224971.

It is an arithmetic number, because the mean of its divisors is an integer number (603224971).

Almost surely, 2^1206449941 is an apocalyptic number.

It is an amenable number.

1206449941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206449941 is an equidigital number, since it uses as much as digits as its factorization.

1206449941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1206449941 is about 34733.9882679775. The cubic root of 1206449941 is about 1064.5590807075.

The spelling of 1206449941 in words is "one billion, two hundred six million, four hundred forty-nine thousand, nine hundred forty-one".