1203120143 has 2 divisors, whose sum is σ = 1203120144. Its totient is φ = 1203120142.

The previous prime is 1203120103. The next prime is 1203120161. The reversal of 1203120143 is 3410213021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203120143 - 2²² = 1198925839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601560071 + 601560072.

It is an arithmetic number, because the mean of its divisors is an integer number (601560072).

Almost surely, 2^1203120143 is an apocalyptic number.

1203120143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203120143 is an equidigital number, since it uses as much as digits as its factorization.

1203120143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1203120143 is about 34686.0223000563. The cubic root of 1203120143 is about 1063.5787850570.

Adding to 1203120143 its reverse (3410213021), we get a palindrome (4613333164).

The spelling of 1203120143 in words is "one billion, two hundred three million, one hundred twenty thousand, one hundred forty-three".