1078919 has 2 divisors, whose sum is σ = 1078920. Its totient is φ = 1078918.

The previous prime is 1078879. The next prime is 1078927. The reversal of 1078919 is 9198701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078919 is a prime.

It is a super-2 number, since 2×1078919² = 2328132417122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078019) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539459 + 539460.

It is an arithmetic number, because the mean of its divisors is an integer number (539460).

2^1078919 is an apocalyptic number.

1078919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078919 is an equidigital number, since it uses as much as digits as its factorization.

1078919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 1078919 is about 1038.7102579642. The cubic root of 1078919 is about 102.5643141881.

The spelling of 1078919 in words is "one million, seventy-eight thousand, nine hundred nineteen".