1143908 has 6 divisors (see below), whose sum is σ = 2001846. Its totient is φ = 571952.

The previous prime is 1143893. The next prime is 1143943. The reversal of 1143908 is 8093411.

It can be written as a sum of positive squares in only one way, i.e., 1036324 + 107584 = 1018^2 + 328^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142985 + ... + 142992.

It is an arithmetic number, because the mean of its divisors is an integer number (333641).

2^1143908 is an apocalyptic number.

It is an amenable number.

1143908 is a deficient number, since it is larger than the sum of its proper divisors (857938).

1143908 is a wasteful number, since it uses less digits than its factorization.

1143908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285981 (or 285979 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1143908 is about 1069.5363481434. The cubic root of 1143908 is about 104.5836269610.

The spelling of 1143908 in words is "one million, one hundred forty-three thousand, nine hundred eight".