1047321 has 24 divisors (see below), whose sum is σ = 1684800. Its totient is φ = 621600.

The previous prime is 1047317. The next prime is 1047323. The reversal of 1047321 is 1237401.

It is not a de Polignac number, because 1047321 - 2² = 1047317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1047294 and 1047303.

It is not an unprimeable number, because it can be changed into a prime (1047323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6955 + ... + 7103.

It is an arithmetic number, because the mean of its divisors is an integer number (70200).

2^1047321 is an apocalyptic number.

1047321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1047321 is a deficient number, since it is larger than the sum of its proper divisors (637479).

1047321 is a wasteful number, since it uses less digits than its factorization.

1047321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1047321 is about 1023.3870235644. The cubic root of 1047321 is about 101.5531199700.

The spelling of 1047321 in words is "one million, forty-seven thousand, three hundred twenty-one".