1138547 has 2 divisors, whose sum is σ = 1138548. Its totient is φ = 1138546.

The previous prime is 1138519. The next prime is 1138559. The reversal of 1138547 is 7458311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1138547 - 2⁶ = 1138483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1138567) 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, 569273 + 569274.

It is an arithmetic number, because the mean of its divisors is an integer number (569274).

2^1138547 is an apocalyptic number.

1138547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138547 is an equidigital number, since it uses as much as digits as its factorization.

1138547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 29.

The square root of 1138547 is about 1067.0271786604. The cubic root of 1138547 is about 104.4199917186.

It can be divided in two parts, 11385 and 47, that multiplied together give a triangular number (535095 = T₁₀₃₄).

The spelling of 1138547 in words is "one million, one hundred thirty-eight thousand, five hundred forty-seven".