1127666320 has 40 divisors (see below), whose sum is σ = 2860174080. Its totient is φ = 410060160.

The previous prime is 1127666269. The next prime is 1127666327. The reversal of 1127666320 is 236667211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1127666327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639840 + ... + 641599.

It is an arithmetic number, because the mean of its divisors is an integer number (71504352).

Almost surely, 2^1127666320 is an apocalyptic number.

1127666320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1127666320 is an abundant number, since it is smaller than the sum of its proper divisors (1732507760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1127666320 is a wasteful number, since it uses less digits than its factorization.

1127666320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281463 (or 1281457 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1127666320 is about 33580.7432913567. The cubic root of 1127666320 is about 1040.8629179364.

The spelling of 1127666320 in words is "one billion, one hundred twenty-seven million, six hundred sixty-six thousand, three hundred twenty".