1127842881 has 32 divisors (see below), whose sum is σ = 1736017920. Its totient is φ = 644582400.

The previous prime is 1127842873. The next prime is 1127842909. The reversal of 1127842881 is 1882487211.

It is not a de Polignac number, because 1127842881 - 2³ = 1127842873 is a prime.

It is a super-2 number, since 2×1127842881² = 2544059128444760322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1127843881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43425 + ... + 64353.

It is an arithmetic number, because the mean of its divisors is an integer number (54250560).

Almost surely, 2^1127842881 is an apocalyptic number.

1127842881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1127842881 is a deficient number, since it is larger than the sum of its proper divisors (608175039).

1127842881 is a wasteful number, since it uses less digits than its factorization.

1127842881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21037.

The product of its digits is 57344, while the sum is 42.

The square root of 1127842881 is about 33583.3720909619. The cubic root of 1127842881 is about 1040.9172384400.

The spelling of 1127842881 in words is "one billion, one hundred twenty-seven million, eight hundred forty-two thousand, eight hundred eighty-one".