1139275 has 12 divisors (see below), whose sum is σ = 1426000. Its totient is φ = 902880.

The previous prime is 1139273. The next prime is 1139287. The reversal of 1139275 is 5729311.

It is not a de Polignac number, because 1139275 - 2¹ = 1139273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1139273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4861 + ... + 5089.

2^1139275 is an apocalyptic number.

1139275 is a deficient number, since it is larger than the sum of its proper divisors (286725).

1139275 is a wasteful number, since it uses less digits than its factorization.

1139275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 433 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 1139275 is about 1067.3682588498. The cubic root of 1139275 is about 104.4422427566.

The spelling of 1139275 in words is "one million, one hundred thirty-nine thousand, two hundred seventy-five".