1138967 has 2 divisors, whose sum is σ = 1138968. Its totient is φ = 1138966.

The previous prime is 1138961. The next prime is 1138979. The reversal of 1138967 is 7698311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138967 - 2¹² = 1134871 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 (1138961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569483 + 569484.

It is an arithmetic number, because the mean of its divisors is an integer number (569484).

2^1138967 is an apocalyptic number.

1138967 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138967 is an equidigital number, since it uses as much as digits as its factorization.

1138967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 1138967 is about 1067.2239689962. The cubic root of 1138967 is about 104.4328300131.

The spelling of 1138967 in words is "one million, one hundred thirty-eight thousand, nine hundred sixty-seven".