1238630411 has 2 divisors, whose sum is σ = 1238630412. Its totient is φ = 1238630410.

The previous prime is 1238630401. The next prime is 1238630413. The reversal of 1238630411 is 1140368321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1238630411 - 2²² = 1234436107 is a prime.

Together with 1238630413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1238630413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619315205 + 619315206.

It is an arithmetic number, because the mean of its divisors is an integer number (619315206).

Almost surely, 2^1238630411 is an apocalyptic number.

1238630411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238630411 is an equidigital number, since it uses as much as digits as its factorization.

1238630411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1238630411 is about 35194.1814935367. The cubic root of 1238630411 is about 1073.9413875773.

Adding to 1238630411 its reverse (1140368321), we get a palindrome (2378998732).

The spelling of 1238630411 in words is "one billion, two hundred thirty-eight million, six hundred thirty thousand, four hundred eleven".