1143706 has 4 divisors (see below), whose sum is σ = 1715562. Its totient is φ = 571852.

The previous prime is 1143697. The next prime is 1143719. The reversal of 1143706 is 6073411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1083681 + 60025 = 1041^2 + 245^2 .

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 as a sum of consecutive naturals, namely, 285925 + ... + 285928.

2^1143706 is an apocalyptic number.

1143706 is a deficient number, since it is larger than the sum of its proper divisors (571856).

1143706 is an equidigital number, since it uses as much as digits as its factorization.

1143706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571855.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1143706 is about 1069.4419105309. The cubic root of 1143706 is about 104.5774705404.

It can be divided in two parts, 1143 and 706, that added together give a square (1849 = 43²).

The spelling of 1143706 in words is "one million, one hundred forty-three thousand, seven hundred six".