1138941 has 24 divisors (see below), whose sum is σ = 1761760. Its totient is φ = 734832.

The previous prime is 1138919. The next prime is 1138957. The reversal of 1138941 is 1498311.

It is not a de Polignac number, because 1138941 - 2⁹ = 1138429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138901) 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 23 ways as a sum of consecutive naturals, for example, 10395 + ... + 10503.

2^1138941 is an apocalyptic number.

It is an amenable number.

1138941 is a deficient number, since it is larger than the sum of its proper divisors (622819).

1138941 is an equidigital number, since it uses as much as digits as its factorization.

1138941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 155 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1138941 is about 1067.2117877910. The cubic root of 1138941 is about 104.4320353532.

The spelling of 1138941 in words is "one million, one hundred thirty-eight thousand, nine hundred forty-one".