1043881 has 8 divisors (see below), whose sum is σ = 1087560. Its totient is φ = 1001088.

The previous prime is 1043873. The next prime is 1043897. The reversal of 1043881 is 1883401.

It can be written as a sum of positive squares in 4 ways, for example, as 33856 + 1010025 = 184^2 + 1005^2 .

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 1043881 - 2³ = 1043873 is a prime.

It is a super-2 number, since 2×1043881² = 2179375084322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1043831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3135 + ... + 3451.

It is an arithmetic number, because the mean of its divisors is an integer number (135945).

2^1043881 is an apocalyptic number.

It is an amenable number.

1043881 is a deficient number, since it is larger than the sum of its proper divisors (43679).

1043881 is an equidigital number, since it uses as much as digits as its factorization.

1043881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1043881 is about 1021.7049476243. The cubic root of 1043881 is about 101.4418118762.

The spelling of 1043881 in words is "one million, forty-three thousand, eight hundred eighty-one".