1204830 has 48 divisors (see below), whose sum is σ = 3420144. Its totient is φ = 291840.

The previous prime is 1204823. The next prime is 1204859. The reversal of 1204830 is 384021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (71253).

2^1204830 is an apocalyptic number.

1204830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710072).

1204830 is an abundant number, since it is smaller than the sum of its proper divisors (2215314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204830 is a wasteful number, since it uses less digits than its factorization.

1204830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1204830 is about 1097.6474843956. The cubic root of 1204830 is about 106.4082394170.

Adding to 1204830 its reverse (384021), we get a palindrome (1588851).

It can be divided in two parts, 120 and 4830, that added together give a triangular number (4950 = T₉₉).

The spelling of 1204830 in words is "one million, two hundred four thousand, eight hundred thirty".