1089377071 has 2 divisors, whose sum is σ = 1089377072. Its totient is φ = 1089377070.

The previous prime is 1089376993. The next prime is 1089377123. The reversal of 1089377071 is 1707739801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1707739801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1089377071 - 2⁷ = 1089376943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089377371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544688535 + 544688536.

It is an arithmetic number, because the mean of its divisors is an integer number (544688536).

Almost surely, 2^1089377071 is an apocalyptic number.

1089377071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089377071 is an equidigital number, since it uses as much as digits as its factorization.

1089377071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 1089377071 is about 33005.7127025005. The cubic root of 1089377071 is about 1028.9463794610.

The spelling of 1089377071 in words is "one billion, eighty-nine million, three hundred seventy-seven thousand, seventy-one".