1204303140 has 72 divisors (see below), whose sum is σ = 3788366400. Its totient is φ = 321146208.

The previous prime is 1204303129. The next prime is 1204303157. The reversal of 1204303140 is 413034021.

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 119040 + ... + 128759.

It is an arithmetic number, because the mean of its divisors is an integer number (52616200).

Almost surely, 2^1204303140 is an apocalyptic number.

1204303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204303140 is an abundant number, since it is smaller than the sum of its proper divisors (2584063260).

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

1204303140 is a wasteful number, since it uses less digits than its factorization.

1204303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247823 (or 247809 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1204303140 is about 34703.0710456582. The cubic root of 1204303140 is about 1063.9272673915.

Adding to 1204303140 its reverse (413034021), we get a palindrome (1617337161).

The spelling of 1204303140 in words is "one billion, two hundred four million, three hundred three thousand, one hundred forty".