1141121587 has 2 divisors, whose sum is σ = 1141121588. Its totient is φ = 1141121586.

The previous prime is 1141121581. The next prime is 1141121591. The reversal of 1141121587 is 7851211411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141121587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1141121581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570560793 + 570560794.

It is an arithmetic number, because the mean of its divisors is an integer number (570560794).

Almost surely, 2^1141121587 is an apocalyptic number.

1141121587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141121587 is an equidigital number, since it uses as much as digits as its factorization.

1141121587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 31.

The square root of 1141121587 is about 33780.4912190454. The cubic root of 1141121587 is about 1044.9864048963.

Adding to 1141121587 its reverse (7851211411), we get a palindrome (8992332998).

The spelling of 1141121587 in words is "one billion, one hundred forty-one million, one hundred twenty-one thousand, five hundred eighty-seven".