1119830 has 16 divisors (see below), whose sum is σ = 2035584. Its totient is φ = 443520.

The previous prime is 1119823. The next prime is 1119857. The reversal of 1119830 is 389111.

It is a junction number, because it is equal to n+sod(n) for n = 1119796 and 1119805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 1625.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

2^1119830 is an apocalyptic number.

1119830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1119830 is a deficient number, since it is larger than the sum of its proper divisors (915754).

1119830 is a wasteful number, since it uses less digits than its factorization.

1119830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1119830 is about 1058.2202039273. The cubic root of 1119830 is about 103.8446274616.

It can be divided in two parts, 11 and 19830, that multiplied together give a triangular number (218130 = T₆₆₀).

The spelling of 1119830 in words is "one million, one hundred nineteen thousand, eight hundred thirty".