1229830 has 16 divisors (see below), whose sum is σ = 2530080. Its totient is φ = 421632.

The previous prime is 1229827. The next prime is 1229869. The reversal of 1229830 is 389221.

It is a junction number, because it is equal to n+sod(n) for n = 1229795 and 1229804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8715 + ... + 8854.

It is an arithmetic number, because the mean of its divisors is an integer number (158130).

2^1229830 is an apocalyptic number.

1229830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1229830 is an abundant number, since it is smaller than the sum of its proper divisors (1300250).

1229830 is a wasteful number, since it uses less digits than its factorization.

1229830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17583.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1229830 is about 1108.9770060736. The cubic root of 1229830 is about 107.1391905624.

The spelling of 1229830 in words is "one million, two hundred twenty-nine thousand, eight hundred thirty".