1139452 has 12 divisors (see below), whose sum is σ = 2048200. Its totient is φ = 554256.

The previous prime is 1139423. The next prime is 1139461. The reversal of 1139452 is 2549311.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3702 + ... + 3997.

2^1139452 is an apocalyptic number.

It is an amenable number.

1139452 is a deficient number, since it is larger than the sum of its proper divisors (908748).

1139452 is a wasteful number, since it uses less digits than its factorization.

1139452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740 (or 7738 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 1139452 is about 1067.4511698434. The cubic root of 1139452 is about 104.4476512605.

The spelling of 1139452 in words is "one million, one hundred thirty-nine thousand, four hundred fifty-two".