1127668771 has 6 divisors (see below), whose sum is σ = 1178830100. Its totient is φ = 1078639188.

The previous prime is 1127668739. The next prime is 1127668781. The reversal of 1127668771 is 1778667211.

It is not a de Polignac number, because 1127668771 - 2⁵ = 1127668739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127668781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1065321 + ... + 1066378.

Almost surely, 2^1127668771 is an apocalyptic number.

1127668771 is a deficient number, since it is larger than the sum of its proper divisors (51161329).

1127668771 is an equidigital number, since it uses as much as digits as its factorization.

1127668771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131745 (or 2131722 counting only the distinct ones).

The product of its digits is 197568, while the sum is 46.

The square root of 1127668771 is about 33580.7797854666. The cubic root of 1127668771 is about 1040.8636720464.

The spelling of 1127668771 in words is "one billion, one hundred twenty-seven million, six hundred sixty-eight thousand, seven hundred seventy-one".