1127125889 has 8 divisors (see below), whose sum is σ = 1139693568. Its totient is φ = 1114616160.

The previous prime is 1127125877. The next prime is 1127125897. The reversal of 1127125889 is 9885217211.

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

It is a cyclic number.

It is not a de Polignac number, because 1127125889 - 2¹⁶ = 1127060353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127125859) 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, 25229 + ... + 53765.

It is an arithmetic number, because the mean of its divisors is an integer number (142461696).

Almost surely, 2^1127125889 is an apocalyptic number.

It is an amenable number.

1127125889 is a deficient number, since it is larger than the sum of its proper divisors (12567679).

1127125889 is a wasteful number, since it uses less digits than its factorization.

1127125889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28975.

The product of its digits is 80640, while the sum is 44.

The square root of 1127125889 is about 33572.6955873370. The cubic root of 1127125889 is about 1040.6966144644.

The spelling of 1127125889 in words is "one billion, one hundred twenty-seven million, one hundred twenty-five thousand, eight hundred eighty-nine".