1210000133 has 2 divisors, whose sum is σ = 1210000134. Its totient is φ = 1210000132.

The previous prime is 1210000117. The next prime is 1210000139. The reversal of 1210000133 is 3310000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191147169 + 18852964 = 34513^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210000133 - 2⁴ = 1210000117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210000139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605000066 + 605000067.

It is an arithmetic number, because the mean of its divisors is an integer number (605000067).

Almost surely, 2^1210000133 is an apocalyptic number.

It is an amenable number.

1210000133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210000133 is an equidigital number, since it uses as much as digits as its factorization.

1210000133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1210000133 is about 34785.0561735927. The cubic root of 1210000133 is about 1065.6022758093.

Adding to 1210000133 its reverse (3310000121), we get a palindrome (4520000254).

The spelling of 1210000133 in words is "one billion, two hundred ten million, one hundred thirty-three", and thus it is an aban number.