1073881 has 2 divisors, whose sum is σ = 1073882. Its totient is φ = 1073880.

The previous prime is 1073879. The next prime is 1073909. The reversal of 1073881 is 1883701.

It is a happy number.

It is an a-pointer prime, because the next prime (1073909) can be obtained adding 1073881 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 105625 = 984^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073881 - 2¹ = 1073879 is a prime.

It is a super-2 number, since 2×1073881² = 2306440804322, which contains 22 as substring.

Together with 1073879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1073381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536940 + 536941.

It is an arithmetic number, because the mean of its divisors is an integer number (536941).

2^1073881 is an apocalyptic number.

It is an amenable number.

1073881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073881 is an equidigital number, since it uses as much as digits as its factorization.

1073881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1073881 is about 1036.2822974460. The cubic root of 1073881 is about 102.4044240947.

The spelling of 1073881 in words is "one million, seventy-three thousand, eight hundred eighty-one".