1147412121587 has 2 divisors, whose sum is σ = 1147412121588. Its totient is φ = 1147412121586.

The previous prime is 1147412121571. The next prime is 1147412121613. The reversal of 1147412121587 is 7851212147411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1147412121587 - 2⁴ = 1147412121571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1147412121517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573706060793 + 573706060794.

It is an arithmetic number, because the mean of its divisors is an integer number (573706060794).

Almost surely, 2^{1147412121587} is an apocalyptic number.

1147412121587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147412121587 is an equidigital number, since it uses as much as digits as its factorization.

1147412121587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 44.

Adding to 1147412121587 its reverse (7851212147411), we get a palindrome (8998624268998).

The spelling of 1147412121587 in words is "one trillion, one hundred forty-seven billion, four hundred twelve million, one hundred twenty-one thousand, five hundred eighty-seven".