1007881 has 12 divisors (see below), whose sum is σ = 1193808. Its totient is φ = 848232.

The previous prime is 1007873. The next prime is 1007887. The reversal of 1007881 is 1887001.

It is not a de Polignac number, because 1007881 - 2³ = 1007873 is a prime.

It is a super-2 number, since 2×1007881² = 2031648220322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1007887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3130 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (99484).

2^1007881 is an apocalyptic number.

It is an amenable number.

1007881 is a deficient number, since it is larger than the sum of its proper divisors (185927).

1007881 is an equidigital number, since it uses as much as digits as its factorization.

1007881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 1007881 is about 1003.9327666731. The cubic root of 1007881 is about 100.2620128929.

The spelling of 1007881 in words is "one million, seven thousand, eight hundred eighty-one".