1180004001 has 16 divisors (see below), whose sum is σ = 1719254208. Its totient is φ = 713952000.

The previous prime is 1180003973. The next prime is 1180004003. The reversal of 1180004001 is 1004000811.

It is not a de Polignac number, because 1180004001 - 2²⁹ = 643133089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1180004003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9916 + ... + 49581.

It is an arithmetic number, because the mean of its divisors is an integer number (107453388).

It is a Poulet number, since it divides 2^1180004000-1.

Almost surely, 2^1180004001 is an apocalyptic number.

1180004001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1180004001 is the 19833-rd octagonal number.

It is an amenable number.

1180004001 is a deficient number, since it is larger than the sum of its proper divisors (539250207).

1180004001 is a wasteful number, since it uses less digits than its factorization.

1180004001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60112.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1180004001 is about 34351.1863113925. The cubic root of 1180004001 is about 1056.7229995918.

Adding to 1180004001 its reverse (1004000811), we get a palindrome (2184004812).

The spelling of 1180004001 in words is "one billion, one hundred eighty million, four thousand, one".