1238047 has 4 divisors (see below), whose sum is σ = 1278016. Its totient is φ = 1198080.

The previous prime is 1238033. The next prime is 1238051. The reversal of 1238047 is 7408321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1238047 - 2⁷ = 1237919 is a prime.

It is a Duffinian number.

1238047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19938 + ... + 19999.

It is an arithmetic number, because the mean of its divisors is an integer number (319504).

2^1238047 is an apocalyptic number.

1238047 is a deficient number, since it is larger than the sum of its proper divisors (39969).

1238047 is an equidigital number, since it uses as much as digits as its factorization.

1238047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39968.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1238047 is about 1112.6756041183. The cubic root of 1238047 is about 107.3772747653.

The spelling of 1238047 in words is "one million, two hundred thirty-eight thousand, forty-seven".