1204503120 has 60 divisors (see below), whose sum is σ = 4045125396. Its totient is φ = 321200640.

The previous prime is 1204503107. The next prime is 1204503121. The reversal of 1204503120 is 213054021.

It can be written as a sum of positive squares in 2 ways, for example, as 401120784 + 803382336 = 20028^2 + 28344^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a junction number, because it is equal to n+sod(n) for n = 1204503093 and 1204503102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204503121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 835741 + ... + 837180.

Almost surely, 2^1204503120 is an apocalyptic number.

1204503120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204503120 is an abundant number, since it is smaller than the sum of its proper divisors (2840622276).

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

1204503120 is a wasteful number, since it uses less digits than its factorization.

1204503120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672940 (or 1672931 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1204503120 is about 34705.9522272477. The cubic root of 1204503120 is about 1063.9861541153.

Adding to 1204503120 its reverse (213054021), we get a palindrome (1417557141).

The spelling of 1204503120 in words is "one billion, two hundred four million, five hundred three thousand, one hundred twenty".