1138827 has 8 divisors (see below), whose sum is σ = 1529920. Its totient is φ = 753480.

The previous prime is 1138793. The next prime is 1138829. The reversal of 1138827 is 7288311.

It is a happy number.

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

It is not a de Polignac number, because 1138827 - 2¹⁰ = 1137803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1138794 and 1138803.

It is not an unprimeable number, because it can be changed into a prime (1138829) 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, 949 + ... + 1782.

It is an arithmetic number, because the mean of its divisors is an integer number (191240).

2^1138827 is an apocalyptic number.

1138827 is a deficient number, since it is larger than the sum of its proper divisors (391093).

1138827 is a wasteful number, since it uses less digits than its factorization.

1138827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873.

The product of its digits is 2688, while the sum is 30.

The square root of 1138827 is about 1067.1583762497. The cubic root of 1138827 is about 104.4285509323.

The spelling of 1138827 in words is "one million, one hundred thirty-eight thousand, eight hundred twenty-seven".