1127028667 has 8 divisors (see below), whose sum is σ = 1153703936. Its totient is φ = 1100374632.

The previous prime is 1127028649. The next prime is 1127028671. The reversal of 1127028667 is 7668207211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1127028667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127028167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167278 + ... + 173884.

It is an arithmetic number, because the mean of its divisors is an integer number (144212992).

Almost surely, 2^1127028667 is an apocalyptic number.

1127028667 is a deficient number, since it is larger than the sum of its proper divisors (26675269).

1127028667 is an equidigital number, since it uses as much as digits as its factorization.

1127028667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1127028667 is about 33571.2476235245. The cubic root of 1127028667 is about 1040.6666913013. Note that the first 4 decimals are identical.

The spelling of 1127028667 in words is "one billion, one hundred twenty-seven million, twenty-eight thousand, six hundred sixty-seven".