1120001001 has 8 divisors (see below), whose sum is σ = 1706668224. Its totient is φ = 640000560.

The previous prime is 1120000991. The next prime is 1120001033. The reversal of 1120001001 is 1001000211.

1120001001 is digitally balanced in base 4, 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 not a de Polignac number, because 1120001001 - 2¹⁰ = 1119999977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120001081) 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, 26666670 + ... + 26666711.

It is an arithmetic number, because the mean of its divisors is an integer number (213333528).

Almost surely, 2^1120001001 is an apocalyptic number.

It is an amenable number.

1120001001 is a deficient number, since it is larger than the sum of its proper divisors (586667223).

1120001001 is an equidigital number, since it uses as much as digits as its factorization.

1120001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53333391.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1120001001 is about 33466.4160166577. The cubic root of 1120001001 is about 1038.4991297562.

Adding to 1120001001 its reverse (1001000211), we get a palindrome (2121001212).

The spelling of 1120001001 in words is "one billion, one hundred twenty million, one thousand, one".