1087197127 has 2 divisors, whose sum is σ = 1087197128. Its totient is φ = 1087197126.

The previous prime is 1087197113. The next prime is 1087197161. The reversal of 1087197127 is 7217917801.

It is a weak prime.

It is an emirp because it is prime and its reverse (7217917801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1087197127 - 2²⁷ = 952979399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087197197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543598563 + 543598564.

It is an arithmetic number, because the mean of its divisors is an integer number (543598564).

Almost surely, 2^1087197127 is an apocalyptic number.

1087197127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087197127 is an equidigital number, since it uses as much as digits as its factorization.

1087197127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 43.

The square root of 1087197127 is about 32972.6724273299. The cubic root of 1087197127 is about 1028.2595822715.

The spelling of 1087197127 in words is "one billion, eighty-seven million, one hundred ninety-seven thousand, one hundred twenty-seven".