1078369 has 2 divisors, whose sum is σ = 1078370. Its totient is φ = 1078368.

The previous prime is 1078367. The next prime is 1078373. The reversal of 1078369 is 9638701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786769 + 291600 = 887^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078369 - 2¹ = 1078367 is a prime.

It is a super-2 number, since 2×1078369² = 2325759400322, which contains 22 as substring.

Together with 1078367, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1078367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539184 + 539185.

It is an arithmetic number, because the mean of its divisors is an integer number (539185).

2^1078369 is an apocalyptic number.

It is an amenable number.

1078369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078369 is an equidigital number, since it uses as much as digits as its factorization.

1078369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1078369 is about 1038.4454728102. The cubic root of 1078369 is about 102.5468831728.

The spelling of 1078369 in words is "one million, seventy-eight thousand, three hundred sixty-nine".