1206051013 has 2 divisors, whose sum is σ = 1206051014. Its totient is φ = 1206051012.

The previous prime is 1206050983. The next prime is 1206051029. The reversal of 1206051013 is 3101506021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 877462884 + 328588129 = 29622^2 + 18127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206051013 - 2¹³ = 1206042821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206051073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603025506 + 603025507.

It is an arithmetic number, because the mean of its divisors is an integer number (603025507).

Almost surely, 2^1206051013 is an apocalyptic number.

It is an amenable number.

1206051013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206051013 is an equidigital number, since it uses as much as digits as its factorization.

1206051013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1206051013 is about 34728.2451759371. The cubic root of 1206051013 is about 1064.4417311107.

Adding to 1206051013 its reverse (3101506021), we get a palindrome (4307557034).

The spelling of 1206051013 in words is "one billion, two hundred six million, fifty-one thousand, thirteen".