1019978054 has 8 divisors (see below), whose sum is σ = 1530137928. Its totient is φ = 509932080.

The previous prime is 1019978041. The next prime is 1019978077. The reversal of 1019978054 is 4508799101.

1019978054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1019977996 and 1019978014.

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, 647 + ... + 45170.

It is an arithmetic number, because the mean of its divisors is an integer number (191267241).

Almost surely, 2^1019978054 is an apocalyptic number.

1019978054 is a deficient number, since it is larger than the sum of its proper divisors (510159874).

1019978054 is a wasteful number, since it uses less digits than its factorization.

1019978054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56950.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1019978054 is about 31937.0952655372. The cubic root of 1019978054 is about 1006.6154901155.

The spelling of 1019978054 in words is "one billion, nineteen million, nine hundred seventy-eight thousand, fifty-four".