1078445 has 4 divisors (see below), whose sum is σ = 1294140. Its totient is φ = 862752.

The previous prime is 1078417. The next prime is 1078471. The reversal of 1078445 is 5448701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5448701 = 83 ⋅65647.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 835396 = 493^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078445 - 2¹⁰ = 1077421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107840 + ... + 107849.

It is an arithmetic number, because the mean of its divisors is an integer number (323535).

2^1078445 is an apocalyptic number.

It is an amenable number.

1078445 is a deficient number, since it is larger than the sum of its proper divisors (215695).

1078445 is an equidigital number, since it uses as much as digits as its factorization.

1078445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215694.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1078445 is about 1038.4820653242. The cubic root of 1078445 is about 102.5492921750.

It can be divided in two parts, 1078 and 445, that multiplied together give a triangular number (479710 = T₉₇₉).

The spelling of 1078445 in words is "one million, seventy-eight thousand, four hundred forty-five".