1078331 has 2 divisors, whose sum is σ = 1078332. Its totient is φ = 1078330.

The previous prime is 1078247. The next prime is 1078333. The reversal of 1078331 is 1338701.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078331 is a prime.

It is a super-2 number, since 2×1078331² = 2325595491122, which contains 22 as substring.

Together with 1078333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1078297 and 1078306.

It is not a weakly prime, because it can be changed into another prime (1078333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539165 + 539166.

It is an arithmetic number, because the mean of its divisors is an integer number (539166).

2^1078331 is an apocalyptic number.

1078331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078331 is an equidigital number, since it uses as much as digits as its factorization.

1078331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1078331 is about 1038.4271760697. The cubic root of 1078331 is about 102.5456786292.

The spelling of 1078331 in words is "one million, seventy-eight thousand, three hundred thirty-one".