1201004111 has 4 divisors (see below), whose sum is σ = 1201073424. Its totient is φ = 1200934800.

The previous prime is 1201004099. The next prime is 1201004159. The reversal of 1201004111 is 1114001021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1201004111 - 2¹⁰ = 1201003087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201004092 and 1201004101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201004171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17051 + ... + 51891.

It is an arithmetic number, because the mean of its divisors is an integer number (300268356).

Almost surely, 2^1201004111 is an apocalyptic number.

1201004111 is a deficient number, since it is larger than the sum of its proper divisors (69313).

1201004111 is an equidigital number, since it uses as much as digits as its factorization.

1201004111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69312.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1201004111 is about 34655.5062147417. The cubic root of 1201004111 is about 1062.9548829831.

Adding to 1201004111 its reverse (1114001021), we get a palindrome (2315005132).

The spelling of 1201004111 in words is "one billion, two hundred one million, four thousand, one hundred eleven".