1081127087 has 16 divisors (see below), whose sum is σ = 1190597760. Its totient is φ = 977453568.

The previous prime is 1081127081. The next prime is 1081127101. The reversal of 1081127087 is 7807211801.

It is not a de Polignac number, because 1081127087 - 2⁶ = 1081127023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081127081) 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 15 ways as a sum of consecutive naturals, for example, 38813 + ... + 60569.

It is an arithmetic number, because the mean of its divisors is an integer number (74412360).

Almost surely, 2^1081127087 is an apocalyptic number.

1081127087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1081127087 is a deficient number, since it is larger than the sum of its proper divisors (109470673).

1081127087 is a wasteful number, since it uses less digits than its factorization.

1081127087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21890.

The product of its (nonzero) digits is 6272, while the sum is 35.

The square root of 1081127087 is about 32880.4970613280. The cubic root of 1081127087 is about 1026.3423497853.

Adding to 1081127087 its reverse (7807211801), we get a palindrome (8888338888).

The spelling of 1081127087 in words is "one billion, eighty-one million, one hundred twenty-seven thousand, eighty-seven".