1209201083 has 2 divisors, whose sum is σ = 1209201084. Its totient is φ = 1209201082.

The previous prime is 1209201073. The next prime is 1209201131. The reversal of 1209201083 is 3801029021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1209201083 - 2⁴ = 1209201067 is a prime.

It is not a weakly prime, because it can be changed into another prime (1209201073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604600541 + 604600542.

It is an arithmetic number, because the mean of its divisors is an integer number (604600542).

Almost surely, 2^1209201083 is an apocalyptic number.

1209201083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1209201083 is an equidigital number, since it uses as much as digits as its factorization.

1209201083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1209201083 is about 34773.5687412149. The cubic root of 1209201083 is about 1065.3676595828.

The spelling of 1209201083 in words is "one billion, two hundred nine million, two hundred one thousand, eighty-three".