1138095 has 24 divisors (see below), whose sum is σ = 2255136. Its totient is φ = 520128.

The previous prime is 1138091. The next prime is 1138097. The reversal of 1138095 is 5908311.

It is not a de Polignac number, because 1138095 - 2² = 1138091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138091) 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 in 23 ways as a sum of consecutive naturals, for example, 1492 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (93964).

2^1138095 is an apocalyptic number.

1138095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1138095 is a deficient number, since it is larger than the sum of its proper divisors (1117041).

1138095 is a wasteful number, since it uses less digits than its factorization.

1138095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1138095 is about 1066.8153542202. The cubic root of 1138095 is about 104.4061717407.

The spelling of 1138095 in words is "one million, one hundred thirty-eight thousand, ninety-five".