1201430143 has 2 divisors, whose sum is σ = 1201430144. Its totient is φ = 1201430142.

The previous prime is 1201430123. The next prime is 1201430189. The reversal of 1201430143 is 3410341021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201430143 - 2⁹ = 1201429631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201430143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201430123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600715071 + 600715072.

It is an arithmetic number, because the mean of its divisors is an integer number (600715072).

Almost surely, 2^1201430143 is an apocalyptic number.

1201430143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201430143 is an equidigital number, since it uses as much as digits as its factorization.

1201430143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1201430143 is about 34661.6523408795. The cubic root of 1201430143 is about 1063.0805553974.

Adding to 1201430143 its reverse (3410341021), we get a palindrome (4611771164).

The spelling of 1201430143 in words is "one billion, two hundred one million, four hundred thirty thousand, one hundred forty-three".