1123859 has 8 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 1006600.

The previous prime is 1123841. The next prime is 1123867. The reversal of 1123859 is 9583211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2^1123859 is an apocalyptic number.

1123859 is a deficient number, since it is larger than the sum of its proper divisors (120301).

1123859 is a wasteful number, since it uses less digits than its factorization.

1123859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521.

The product of its digits is 2160, while the sum is 29.

The square root of 1123859 is about 1060.1221627718. The cubic root of 1123859 is about 103.9690181382.

The spelling of 1123859 in words is "one million, one hundred twenty-three thousand, eight hundred fifty-nine".