1201120003 has 2 divisors, whose sum is σ = 1201120004. Its totient is φ = 1201120002.

The previous prime is 1201119949. The next prime is 1201120031. The reversal of 1201120003 is 3000211021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3000211021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201120003 - 2¹⁷ = 1200988931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201120033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600560001 + 600560002.

It is an arithmetic number, because the mean of its divisors is an integer number (600560002).

Almost surely, 2^1201120003 is an apocalyptic number.

1201120003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201120003 is an equidigital number, since it uses as much as digits as its factorization.

1201120003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1201120003 is about 34657.1782319334. The cubic root of 1201120003 is about 1062.9890721542.

Adding to 1201120003 its reverse (3000211021), we get a palindrome (4201331024).

The spelling of 1201120003 in words is "one billion, two hundred one million, one hundred twenty thousand, three".