1139475 has 12 divisors (see below), whose sum is σ = 1884056. Its totient is φ = 607680.

The previous prime is 1139473. The next prime is 1139483. The reversal of 1139475 is 5749311.

It is not a de Polignac number, because 1139475 - 2¹ = 1139473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139471) 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, 7522 + ... + 7671.

2^1139475 is an apocalyptic number.

1139475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1139475 is a deficient number, since it is larger than the sum of its proper divisors (744581).

1139475 is a wasteful number, since it uses less digits than its factorization.

1139475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15206 (or 15201 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 1139475 is about 1067.4619431155. The cubic root of 1139475 is about 104.4483540193.

The spelling of 1139475 in words is "one million, one hundred thirty-nine thousand, four hundred seventy-five".