1000378273 has 8 divisors (see below), whose sum is σ = 1038924128. Its totient is φ = 962527104.

The previous prime is 1000378259. The next prime is 1000378283. The reversal of 1000378273 is 3728730001.

1000378273 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 cyclic number.

It is not a de Polignac number, because 1000378273 - 2¹³ = 1000370081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000378283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170736 + ... + 176497.

It is an arithmetic number, because the mean of its divisors is an integer number (129865516).

Almost surely, 2^1000378273 is an apocalyptic number.

It is an amenable number.

1000378273 is a deficient number, since it is larger than the sum of its proper divisors (38545855).

1000378273 is an equidigital number, since it uses as much as digits as its factorization.

1000378273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347343.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 1000378273 is about 31628.7570574628. The cubic root of 1000378273 is about 1000.1260751044.

The spelling of 1000378273 in words is "one billion, three hundred seventy-eight thousand, two hundred seventy-three".