1081026321 has 16 divisors (see below), whose sum is σ = 1476066240. Its totient is φ = 703362240.

The previous prime is 1081026313. The next prime is 1081026329. The reversal of 1081026321 is 1236201801.

It is an interprime number because it is at equal distance from previous prime (1081026313) and next prime (1081026329).

It is not a de Polignac number, because 1081026321 - 2³ = 1081026313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1081026291 and 1081026300.

It is not an unprimeable number, because it can be changed into a prime (1081026329) 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 15 ways as a sum of consecutive naturals, for example, 212791 + ... + 217811.

It is an arithmetic number, because the mean of its divisors is an integer number (92254140).

Almost surely, 2^1081026321 is an apocalyptic number.

It is an amenable number.

1081026321 is a deficient number, since it is larger than the sum of its proper divisors (395039919).

1081026321 is a wasteful number, since it uses less digits than its factorization.

1081026321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1081026321 is about 32878.9647191027. The cubic root of 1081026321 is about 1026.3104621908.

The spelling of 1081026321 in words is "one billion, eighty-one million, twenty-six thousand, three hundred twenty-one".