1242413 has 2 divisors, whose sum is σ = 1242414. Its totient is φ = 1242412.

The previous prime is 1242407. The next prime is 1242419. The reversal of 1242413 is 3142421.

It is a balanced prime because it is at equal distance from previous prime (1242407) and next prime (1242419).

It can be written as a sum of positive squares in only one way, i.e., 925444 + 316969 = 962^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242413 - 2¹⁰ = 1241389 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1242391 and 1242400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621206 + 621207.

It is an arithmetic number, because the mean of its divisors is an integer number (621207).

2^1242413 is an apocalyptic number.

It is an amenable number.

1242413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242413 is an equidigital number, since it uses as much as digits as its factorization.

1242413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 17.

The square root of 1242413 is about 1114.6358149638. The cubic root of 1242413 is about 107.5033494540.

Adding to 1242413 its reverse (3142421), we get a palindrome (4384834).

The spelling of 1242413 in words is "one million, two hundred forty-two thousand, four hundred thirteen".