1241310121 has 2 divisors, whose sum is σ = 1241310122. Its totient is φ = 1241310120.

The previous prime is 1241310107. The next prime is 1241310143. The reversal of 1241310121 is 1210131421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814474521 + 426835600 = 28539^2 + 20660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241310121 - 2⁵ = 1241310089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241310095 and 1241310104.

It is not a weakly prime, because it can be changed into another prime (1241310101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620655060 + 620655061.

It is an arithmetic number, because the mean of its divisors is an integer number (620655061).

Almost surely, 2^1241310121 is an apocalyptic number.

It is an amenable number.

1241310121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241310121 is an equidigital number, since it uses as much as digits as its factorization.

1241310121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1241310121 is about 35232.2312804625. The cubic root of 1241310121 is about 1074.7153011360.

Adding to 1241310121 its reverse (1210131421), we get a palindrome (2451441542).

The spelling of 1241310121 in words is "one billion, two hundred forty-one million, three hundred ten thousand, one hundred twenty-one".