1201004109 has 12 divisors (see below), whose sum is σ = 1742428896. Its totient is φ = 797140872.

The previous prime is 1201004099. The next prime is 1201004159. The reversal of 1201004109 is 9014001021.

It is not a de Polignac number, because 1201004109 - 2⁹ = 1201003597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201004091 and 1201004100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201004159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291889 + ... + 295974.

It is an arithmetic number, because the mean of its divisors is an integer number (145202408).

Almost surely, 2^1201004109 is an apocalyptic number.

It is an amenable number.

1201004109 is a deficient number, since it is larger than the sum of its proper divisors (541424787).

1201004109 is a wasteful number, since it uses less digits than its factorization.

1201004109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588096 (or 588093 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1201004109 is about 34655.5061858862. The cubic root of 1201004109 is about 1062.9548823931.

The spelling of 1201004109 in words is "one billion, two hundred one million, four thousand, one hundred nine".