1204320 has 96 divisors (see below), whose sum is σ = 4106592. Its totient is φ = 294912.

The previous prime is 1204309. The next prime is 1204337. The reversal of 1204320 is 234021.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1204296 and 1204305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6144 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (42777).

2^1204320 is an apocalyptic number.

1204320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2053296).

1204320 is an abundant number, since it is smaller than the sum of its proper divisors (2902272).

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

1204320 is a wasteful number, since it uses less digits than its factorization.

1204320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1204320 is about 1097.4151447834. The cubic root of 1204320 is about 106.3932232290.

Adding to 1204320 its reverse (234021), we get a palindrome (1438341).

Subtracting from 1204320 its reverse (234021), we obtain a cube (970299 = 99³).

It can be divided in two parts, 120 and 4320, that multiplied together give a square (518400 = 720²).

The spelling of 1204320 in words is "one million, two hundred four thousand, three hundred twenty".