1206057361 has 2 divisors, whose sum is σ = 1206057362. Its totient is φ = 1206057360.

The previous prime is 1206057343. The next prime is 1206057373. The reversal of 1206057361 is 1637506021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073807361 + 132250000 = 32769^2 + 11500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206057361 - 2⁹ = 1206056849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1206057301) 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 as a sum of consecutive naturals, namely, 603028680 + 603028681.

It is an arithmetic number, because the mean of its divisors is an integer number (603028681).

Almost surely, 2^1206057361 is an apocalyptic number.

It is an amenable number.

1206057361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206057361 is an equidigital number, since it uses as much as digits as its factorization.

1206057361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1206057361 is about 34728.3365711633. The cubic root of 1206057361 is about 1064.4435986559.

The spelling of 1206057361 in words is "one billion, two hundred six million, fifty-seven thousand, three hundred sixty-one".