1027125881 has 8 divisors (see below), whose sum is σ = 1072319424. Its totient is φ = 981977040.

The previous prime is 1027125877. The next prime is 1027125893. The reversal of 1027125881 is 1885217201.

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 1027125881 - 2² = 1027125877 is a prime.

It is a super-2 number, since 2×1027125881² = 2109975150840052322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1027125851) 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, 41030 + ... + 61136.

It is an arithmetic number, because the mean of its divisors is an integer number (134039928).

Almost surely, 2^1027125881 is an apocalyptic number.

It is an amenable number.

1027125881 is a deficient number, since it is larger than the sum of its proper divisors (45193543).

1027125881 is a wasteful number, since it uses less digits than its factorization.

1027125881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22351.

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 1027125881 is about 32048.8046734976. The cubic root of 1027125881 is about 1008.9614135133.

The spelling of 1027125881 in words is "one billion, twenty-seven million, one hundred twenty-five thousand, eight hundred eighty-one".