1210123301 has 2 divisors, whose sum is σ = 1210123302. Its totient is φ = 1210123300.

The previous prime is 1210123273. The next prime is 1210123331. The reversal of 1210123301 is 1033210121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 916515076 + 293608225 = 30274^2 + 17135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210123301 - 2³⁰ = 136381477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210123331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605061650 + 605061651.

It is an arithmetic number, because the mean of its divisors is an integer number (605061651).

Almost surely, 2^1210123301 is an apocalyptic number.

It is an amenable number.

1210123301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210123301 is an equidigital number, since it uses as much as digits as its factorization.

1210123301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1210123301 is about 34786.8265439663. The cubic root of 1210123301 is about 1065.6384310803.

Adding to 1210123301 its reverse (1033210121), we get a palindrome (2243333422).

The spelling of 1210123301 in words is "one billion, two hundred ten million, one hundred twenty-three thousand, three hundred one".