4131123401 has 2 divisors, whose sum is σ = 4131123402. Its totient is φ = 4131123400.

The previous prime is 4131123343. The next prime is 4131123463. The reversal of 4131123401 is 1043211314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2629638400 + 1501485001 = 51280^2 + 38749^2 .

It is a cyclic number.

It is not a de Polignac number, because 4131123401 - 2³⁰ = 3057381577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4131123901) 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 as a sum of consecutive naturals, namely, 2065561700 + 2065561701.

It is an arithmetic number, because the mean of its divisors is an integer number (2065561701).

Almost surely, 2^4131123401 is an apocalyptic number.

It is an amenable number.

4131123401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131123401 is an equidigital number, since it uses as much as digits as its factorization.

4131123401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4131123401 is about 64273.8158272869. The cubic root of 4131123401 is about 1604.5603491659.

Adding to 4131123401 its reverse (1043211314), we get a palindrome (5174334715).

The spelling of 4131123401 in words is "four billion, one hundred thirty-one million, one hundred twenty-three thousand, four hundred one".