1011201173 has 2 divisors, whose sum is σ = 1011201174. Its totient is φ = 1011201172.

The previous prime is 1011201143. The next prime is 1011201181. The reversal of 1011201173 is 3711021101.

1011201173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 978000529 + 33200644 = 31273^2 + 5762^2 .

It is an emirp because it is prime and its reverse (3711021101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011201173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011201143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505600586 + 505600587.

It is an arithmetic number, because the mean of its divisors is an integer number (505600587).

Almost surely, 2^1011201173 is an apocalyptic number.

It is an amenable number.

1011201173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011201173 is an equidigital number, since it uses as much as digits as its factorization.

1011201173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1011201173 is about 31799.3895067185. The cubic root of 1011201173 is about 1003.7198697446.

Adding to 1011201173 its reverse (3711021101), we get a palindrome (4722222274).

The spelling of 1011201173 in words is "one billion, eleven million, two hundred one thousand, one hundred seventy-three".