1338897127 has 2 divisors, whose sum is σ = 1338897128. Its totient is φ = 1338897126.

The previous prime is 1338897061. The next prime is 1338897173. The reversal of 1338897127 is 7217988331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1338897127 - 2¹⁹ = 1338372839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338897227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669448563 + 669448564.

It is an arithmetic number, because the mean of its divisors is an integer number (669448564).

Almost surely, 2^1338897127 is an apocalyptic number.

1338897127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338897127 is an equidigital number, since it uses as much as digits as its factorization.

1338897127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 1338897127 is about 36590.9432373641. The cubic root of 1338897127 is about 1102.1712285932.

The spelling of 1338897127 in words is "one billion, three hundred thirty-eight million, eight hundred ninety-seven thousand, one hundred twenty-seven".