1204078 has 4 divisors (see below), whose sum is σ = 1806120. Its totient is φ = 602038.

The previous prime is 1204037. The next prime is 1204097. The reversal of 1204078 is 8704021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8704021 = 137 ⋅63533.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301018 + ... + 301021.

It is an arithmetic number, because the mean of its divisors is an integer number (451530).

2^1204078 is an apocalyptic number.

1204078 is a deficient number, since it is larger than the sum of its proper divisors (602042).

1204078 is an equidigital number, since it uses as much as digits as its factorization.

1204078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602041.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1204078 is about 1097.3048801495. The cubic root of 1204078 is about 106.3860964176.

Adding to 1204078 its reverse (8704021), we get a palindrome (9908099).

The spelling of 1204078 in words is "one million, two hundred four thousand, seventy-eight".