1000001120978 has 8 divisors (see below), whose sum is σ = 1525425438960. Its totient is φ = 491525974660.

The previous prime is 1000001120977. The next prime is 1000001121019. The reversal of 1000001120978 is 8790211000001.

1000001120978 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 self number, because there is not a number n which added to its sum of digits gives 1000001120978.

It is not an unprimeable number, because it can be changed into a prime (1000001120971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4237292768 + ... + 4237293003.

It is an arithmetic number, because the mean of its divisors is an integer number (190678179870).

Almost surely, 2^{1000001120978} is an apocalyptic number.

1000001120978 is a deficient number, since it is larger than the sum of its proper divisors (525424317982).

1000001120978 is an equidigital number, since it uses as much as digits as its factorization.

1000001120978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474585832.

The product of its (nonzero) digits is 1008, while the sum is 29.

Adding to 1000001120978 its reverse (8790211000001), we get a palindrome (9790212120979).

The spelling of 1000001120978 in words is "one trillion, one million, one hundred twenty thousand, nine hundred seventy-eight".