1608120203 has 2 divisors, whose sum is σ = 1608120204. Its totient is φ = 1608120202.

The previous prime is 1608120193. The next prime is 1608120229. The reversal of 1608120203 is 3020218061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1608120203 - 2²² = 1603925899 is a prime.

It is a super-2 number, since 2×1608120203² = 5172101174593522418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1608120403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804060101 + 804060102.

It is an arithmetic number, because the mean of its divisors is an integer number (804060102).

Almost surely, 2^1608120203 is an apocalyptic number.

1608120203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608120203 is an equidigital number, since it uses as much as digits as its factorization.

1608120203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1608120203 is about 40101.3740787021. The cubic root of 1608120203 is about 1171.5823922176.

Adding to 1608120203 its reverse (3020218061), we get a palindrome (4628338264).

The spelling of 1608120203 in words is "one billion, six hundred eight million, one hundred twenty thousand, two hundred three".