1404401143 has 2 divisors, whose sum is σ = 1404401144. Its totient is φ = 1404401142.

The previous prime is 1404401129. The next prime is 1404401147. The reversal of 1404401143 is 3411044041.

It is a strong prime.

It is an emirp because it is prime and its reverse (3411044041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404401143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404401147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702200571 + 702200572.

It is an arithmetic number, because the mean of its divisors is an integer number (702200572).

Almost surely, 2^1404401143 is an apocalyptic number.

1404401143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404401143 is an equidigital number, since it uses as much as digits as its factorization.

1404401143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1404401143 is about 37475.3404654314. The cubic root of 1404401143 is about 1119.8599801042.

Adding to 1404401143 its reverse (3411044041), we get a palindrome (4815445184).

The spelling of 1404401143 in words is "one billion, four hundred four million, four hundred one thousand, one hundred forty-three".