1127671361 has 4 divisors (see below), whose sum is σ = 1129280724. Its totient is φ = 1126062000.

The previous prime is 1127671357. The next prime is 1127671367. The reversal of 1127671361 is 1631767211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 596092225 + 531579136 = 24415^2 + 23056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127671361 - 2² = 1127671357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127671367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803630 + ... + 805031.

It is an arithmetic number, because the mean of its divisors is an integer number (282320181).

Almost surely, 2^1127671361 is an apocalyptic number.

It is an amenable number.

1127671361 is a deficient number, since it is larger than the sum of its proper divisors (1609363).

1127671361 is an equidigital number, since it uses as much as digits as its factorization.

1127671361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609362.

The product of its digits is 10584, while the sum is 35.

The square root of 1127671361 is about 33580.8183491707. The cubic root of 1127671361 is about 1040.8644689219.

The spelling of 1127671361 in words is "one billion, one hundred twenty-seven million, six hundred seventy-one thousand, three hundred sixty-one".