1000001121007 has 12 divisors (see below), whose sum is σ = 1213843420656. Its totient is φ = 819876694560.

The previous prime is 1000001120977. The next prime is 1000001121019. The reversal of 1000001121007 is 7001211000001.

It is not a de Polignac number, because 1000001121007 - 2¹⁹ = 1000000596719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001124007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443655094 + ... + 443657347.

It is an arithmetic number, because the mean of its divisors is an integer number (101153618388).

Almost surely, 2^{1000001121007} is an apocalyptic number.

1000001121007 is a deficient number, since it is larger than the sum of its proper divisors (213842299649).

1000001121007 is an equidigital number, since it uses as much as digits as its factorization.

1000001121007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887312478 (or 887312471 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 13.

Adding to 1000001121007 its reverse (7001211000001), we get a palindrome (8001212121008).

The spelling of 1000001121007 in words is "one trillion, one million, one hundred twenty-one thousand, seven".