1084131321 has 48 divisors (see below), whose sum is σ = 1815686208. Its totient is φ = 570326400.

The previous prime is 1084131311. The next prime is 1084131337. The reversal of 1084131321 is 1231314801.

1084131321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1084131321 - 2⁷ = 1084131193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1084131291 and 1084131300.

It is not an unprimeable number, because it can be changed into a prime (1084131311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1320091 + ... + 1320911.

It is an arithmetic number, because the mean of its divisors is an integer number (37826796).

Almost surely, 2^1084131321 is an apocalyptic number.

It is an amenable number.

1084131321 is a deficient number, since it is larger than the sum of its proper divisors (731554887).

1084131321 is a wasteful number, since it uses less digits than its factorization.

1084131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1535 counting only the distinct ones).

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

The square root of 1084131321 is about 32926.1495015740. The cubic root of 1084131321 is about 1027.2921366628.

The spelling of 1084131321 in words is "one billion, eighty-four million, one hundred thirty-one thousand, three hundred twenty-one".