1242141413 has 2 divisors, whose sum is σ = 1242141414. Its totient is φ = 1242141412.

The previous prime is 1242141389. The next prime is 1242141419. The reversal of 1242141413 is 3141412421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1026433444 + 215707969 = 32038^2 + 14687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242141413 - 2⁶ = 1242141349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242141419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621070706 + 621070707.

It is an arithmetic number, because the mean of its divisors is an integer number (621070707).

Almost surely, 2^1242141413 is an apocalyptic number.

It is an amenable number.

1242141413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242141413 is an equidigital number, since it uses as much as digits as its factorization.

1242141413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 23.

The square root of 1242141413 is about 35244.0266286360. The cubic root of 1242141413 is about 1074.9551560165.

Adding to 1242141413 its reverse (3141412421), we get a palindrome (4383553834).

The spelling of 1242141413 in words is "one billion, two hundred forty-two million, one hundred forty-one thousand, four hundred thirteen".