1138275 has 18 divisors (see below), whose sum is σ = 2039180. Its totient is φ = 606960.

The previous prime is 1138273. The next prime is 1138363. The reversal of 1138275 is 5728311.

It is not a de Polignac number, because 1138275 - 2¹ = 1138273 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1138273) 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 17 ways as a sum of consecutive naturals, for example, 2305 + ... + 2754.

2^1138275 is an apocalyptic number.

1138275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1138275 is a deficient number, since it is larger than the sum of its proper divisors (900905).

1138275 is a wasteful number, since it uses less digits than its factorization.

1138275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075 (or 5067 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1138275 is about 1066.8997141250. The cubic root of 1138275 is about 104.4116757101.

The spelling of 1138275 in words is "one million, one hundred thirty-eight thousand, two hundred seventy-five".