1141944487 has 2 divisors, whose sum is σ = 1141944488. Its totient is φ = 1141944486.

The previous prime is 1141944467. The next prime is 1141944491. The reversal of 1141944487 is 7844491411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141944487 - 2¹⁹ = 1141420199 is a prime.

It is a super-2 number, since 2×1141944487² = 2608074422779386338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141944467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570972243 + 570972244.

It is an arithmetic number, because the mean of its divisors is an integer number (570972244).

Almost surely, 2^1141944487 is an apocalyptic number.

1141944487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141944487 is an equidigital number, since it uses as much as digits as its factorization.

1141944487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 43.

The square root of 1141944487 is about 33792.6691310408. The cubic root of 1141944487 is about 1045.2375358011.

The spelling of 1141944487 in words is "one billion, one hundred forty-one million, nine hundred forty-four thousand, four hundred eighty-seven".