1138127 has 2 divisors, whose sum is σ = 1138128. Its totient is φ = 1138126.

The previous prime is 1138117. The next prime is 1138141. The reversal of 1138127 is 7218311.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7218311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1138127 - 2¹² = 1134031 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1138117) 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, 569063 + 569064.

It is an arithmetic number, because the mean of its divisors is an integer number (569064).

2^1138127 is an apocalyptic number.

1138127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138127 is an equidigital number, since it uses as much as digits as its factorization.

1138127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

The square root of 1138127 is about 1066.8303520242. The cubic root of 1138127 is about 104.4071502665.

The spelling of 1138127 in words is "one million, one hundred thirty-eight thousand, one hundred twenty-seven".