1030881 has 4 divisors (see below), whose sum is σ = 1374512. Its totient is φ = 687252.

The previous prime is 1030873. The next prime is 1030889. The reversal of 1030881 is 1880301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1030873) and next prime (1030889).

It is not a de Polignac number, because 1030881 - 2³ = 1030873 is a prime.

It is a super-2 number, since 2×1030881² = 2125431272322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030889) 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 3 ways as a sum of consecutive naturals, for example, 171811 + ... + 171816.

It is an arithmetic number, because the mean of its divisors is an integer number (343628).

2^1030881 is an apocalyptic number.

It is an amenable number.

1030881 is a deficient number, since it is larger than the sum of its proper divisors (343631).

1030881 is an equidigital number, since it uses as much as digits as its factorization.

1030881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343630.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1030881 is about 1015.3231012835. The cubic root of 1030881 is about 101.0189488350.

The spelling of 1030881 in words is "one million, thirty thousand, eight hundred eighty-one".