1147000001 has 8 divisors (see below), whose sum is σ = 1330422720. Its totient is φ = 968468688.

The previous prime is 1146999989. The next prime is 1147000003. The reversal of 1147000001 is 1000007411.

It is a happy number.

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 1147000001 - 2⁶ = 1146999937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1147000001.

It is not an unprimeable number, because it can be changed into a prime (1147000003) 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, 1222346 + ... + 1223283.

It is an arithmetic number, because the mean of its divisors is an integer number (166302840).

Almost surely, 2^1147000001 is an apocalyptic number.

It is an amenable number.

1147000001 is a deficient number, since it is larger than the sum of its proper divisors (183422719).

1147000001 is an equidigital number, since it uses as much as digits as its factorization.

1147000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445703.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 1147000001 is about 33867.3884585157. The cubic root of 1147000001 is about 1046.7777257278. Note that the first 4 decimals are identical.

Adding to 1147000001 its reverse (1000007411), we get a palindrome (2147007412).

The spelling of 1147000001 in words is "one billion, one hundred forty-seven million, one", and thus it is an aban number.