1254420441143 has 2 divisors, whose sum is σ = 1254420441144. Its totient is φ = 1254420441142.

The previous prime is 1254420441137. The next prime is 1254420441161. The reversal of 1254420441143 is 3411440244521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254420441143 - 2¹² = 1254420437047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254420441103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627210220571 + 627210220572.

It is an arithmetic number, because the mean of its divisors is an integer number (627210220572).

Almost surely, 2^{1254420441143} is an apocalyptic number.

1254420441143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254420441143 is an equidigital number, since it uses as much as digits as its factorization.

1254420441143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 1254420441143 its reverse (3411440244521), we get a palindrome (4665860685664).

The spelling of 1254420441143 in words is "one trillion, two hundred fifty-four billion, four hundred twenty million, four hundred forty-one thousand, one hundred forty-three".