1139912 has 16 divisors (see below), whose sum is σ = 2162700. Its totient is φ = 563200.

The previous prime is 1139911. The next prime is 1139917. The reversal of 1139912 is 2199311.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 45796 = 1046^2 + 214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89 + ... + 1512.

2^1139912 is an apocalyptic number.

It is an amenable number.

1139912 is a deficient number, since it is larger than the sum of its proper divisors (1022788).

1139912 is a wasteful number, since it uses less digits than its factorization.

1139912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1692 counting only the distinct ones).

The product of its digits is 486, while the sum is 26.

The square root of 1139912 is about 1067.6666146321. Note that the first 4 decimals coincide. The cubic root of 1139912 is about 104.4617046404.

It can be divided in two parts, 11399 and 12, that added together give a palindrome (11411).

The spelling of 1139912 in words is "one million, one hundred thirty-nine thousand, nine hundred twelve".