1042778 has 24 divisors (see below), whose sum is σ = 1787520. Its totient is φ = 455400.

The previous prime is 1042759. The next prime is 1042781. The reversal of 1042778 is 8772401.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 1042778.

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 in 11 ways as a sum of consecutive naturals, for example, 7433 + ... + 7571.

It is an arithmetic number, because the mean of its divisors is an integer number (74480).

2^1042778 is an apocalyptic number.

1042778 is a deficient number, since it is larger than the sum of its proper divisors (744742).

1042778 is a wasteful number, since it uses less digits than its factorization.

1042778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1042778 is about 1021.1650209442. The cubic root of 1042778 is about 101.4060703339.

It can be divided in two parts, 104 and 2778, that added together give a palindrome (2882).

The spelling of 1042778 in words is "one million, forty-two thousand, seven hundred seventy-eight".