1143956 has 12 divisors (see below), whose sum is σ = 2184000. Its totient is φ = 519960.

The previous prime is 1143953. The next prime is 1143959. The reversal of 1143956 is 6593411.

It is an interprime number because it is at equal distance from previous prime (1143953) and next prime (1143959).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143953) 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, 12956 + ... + 13043.

It is an arithmetic number, because the mean of its divisors is an integer number (182000).

2^1143956 is an apocalyptic number.

It is an amenable number.

1143956 is a deficient number, since it is larger than the sum of its proper divisors (1040044).

1143956 is a wasteful number, since it uses less digits than its factorization.

1143956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26014 (or 26012 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 1143956 is about 1069.5587875381. The cubic root of 1143956 is about 104.5850897663.

The spelling of 1143956 in words is "one million, one hundred forty-three thousand, nine hundred fifty-six".