1238462387 has 2 divisors, whose sum is σ = 1238462388. Its totient is φ = 1238462386.

The previous prime is 1238462383. The next prime is 1238462413. The reversal of 1238462387 is 7832648321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1238462387 - 2² = 1238462383 is a prime.

It is not a weakly prime, because it can be changed into another prime (1238462383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619231193 + 619231194.

It is an arithmetic number, because the mean of its divisors is an integer number (619231194).

Almost surely, 2^1238462387 is an apocalyptic number.

1238462387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238462387 is an equidigital number, since it uses as much as digits as its factorization.

1238462387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 1238462387 is about 35191.7943134476. The cubic root of 1238462387 is about 1073.8928242377.

The spelling of 1238462387 in words is "one billion, two hundred thirty-eight million, four hundred sixty-two thousand, three hundred eighty-seven".