1138841 has 8 divisors (see below), whose sum is σ = 1308000. Its totient is φ = 980640.

The previous prime is 1138831. The next prime is 1138849. The reversal of 1138841 is 1488311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1138841 - 2⁶ = 1138777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1138841.

It is not an unprimeable number, because it can be changed into a prime (1138849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (163500).

2^1138841 is an apocalyptic number.

1138841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1138841 is a deficient number, since it is larger than the sum of its proper divisors (169159).

1138841 is a wasteful number, since it uses less digits than its factorization.

1138841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479.

The product of its digits is 768, while the sum is 26.

The square root of 1138841 is about 1067.1649357058. The cubic root of 1138841 is about 104.4289788562.

The spelling of 1138841 in words is "one million, one hundred thirty-eight thousand, eight hundred forty-one".