1002881 has 16 divisors (see below), whose sum is σ = 1202688. Its totient is φ = 825600.

The previous prime is 1002871. The next prime is 1002887. The reversal of 1002881 is 1882001.

1002881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1002881 - 2⁶ = 1002817 is a prime.

It is a super-2 number, since 2×1002881² = 2011540600322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5711 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (75168).

2^1002881 is an apocalyptic number.

1002881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002881 is a deficient number, since it is larger than the sum of its proper divisors (199807).

1002881 is a wasteful number, since it uses less digits than its factorization.

1002881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1002881 is about 1001.4394639717. The cubic root of 1002881 is about 100.0959412566.

Adding to 1002881 its reverse (1882001), we get a palindrome (2884882).

The spelling of 1002881 in words is "one million, two thousand, eight hundred eighty-one".