1067331 has 4 divisors (see below), whose sum is σ = 1423112. Its totient is φ = 711552.

The previous prime is 1067329. The next prime is 1067347. The reversal of 1067331 is 1337601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1067331 - 2¹ = 1067329 is a prime.

It is a super-2 number, since 2×1067331² = 2278390927122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

1067331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1067298 and 1067307.

It is not an unprimeable number, because it can be changed into a prime (1067351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177886 + ... + 177891.

It is an arithmetic number, because the mean of its divisors is an integer number (355778).

2^1067331 is an apocalyptic number.

1067331 is a deficient number, since it is larger than the sum of its proper divisors (355781).

1067331 is an equidigital number, since it uses as much as digits as its factorization.

1067331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355780.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1067331 is about 1033.1171279192. The cubic root of 1067331 is about 102.1957984545.

The spelling of 1067331 in words is "one million, sixty-seven thousand, three hundred thirty-one".