1004119978 has 16 divisors (see below), whose sum is σ = 1523823840. Its totient is φ = 496210000.

The previous prime is 1004119969. The next prime is 1004119979. The reversal of 1004119978 is 8799114001.

It is a self number, because there is not a number n which added to its sum of digits gives 1004119978.

It is not an unprimeable number, because it can be changed into a prime (1004119979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58128 + ... + 73396.

It is an arithmetic number, because the mean of its divisors is an integer number (95238990).

Almost surely, 2^1004119978 is an apocalyptic number.

1004119978 is a deficient number, since it is larger than the sum of its proper divisors (519703862).

1004119978 is a wasteful number, since it uses less digits than its factorization.

1004119978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15653.

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 1004119978 is about 31687.8522150050. The cubic root of 1004119978 is about 1001.3714442808.

The spelling of 1004119978 in words is "one billion, four million, one hundred nineteen thousand, nine hundred seventy-eight".