1401126143 has 2 divisors, whose sum is σ = 1401126144. Its totient is φ = 1401126142.

The previous prime is 1401126079. The next prime is 1401126163. The reversal of 1401126143 is 3416211041.

It is a strong prime.

It is an emirp because it is prime and its reverse (3416211041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401126143 - 2⁶ = 1401126079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401126163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700563071 + 700563072.

It is an arithmetic number, because the mean of its divisors is an integer number (700563072).

Almost surely, 2^1401126143 is an apocalyptic number.

1401126143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401126143 is an equidigital number, since it uses as much as digits as its factorization.

1401126143 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 1401126143 is about 37431.6195615418. The cubic root of 1401126143 is about 1118.9888149580.

Adding to 1401126143 its reverse (3416211041), we get a palindrome (4817337184).

The spelling of 1401126143 in words is "one billion, four hundred one million, one hundred twenty-six thousand, one hundred forty-three".