1203204144 has 40 divisors (see below), whose sum is σ = 3130982640. Its totient is φ = 398138368.

The previous prime is 1203204137. The next prime is 1203204151. The reversal of 1203204144 is 4414023021.

It is an interprime number because it is at equal distance from previous prime (1203204137) and next prime (1203204151).

It is a self number, because there is not a number n which added to its sum of digits gives 1203204144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84909 + ... + 98060.

It is an arithmetic number, because the mean of its divisors is an integer number (78274566).

Almost surely, 2^1203204144 is an apocalyptic number.

It is an amenable number.

1203204144 is an abundant number, since it is smaller than the sum of its proper divisors (1927778496).

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

1203204144 is a wasteful number, since it uses less digits than its factorization.

1203204144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183117 (or 183111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1203204144 is about 34687.2331557304. The cubic root of 1203204144 is about 1063.6035372545.

Adding to 1203204144 its reverse (4414023021), we get a palindrome (5617227165).

The spelling of 1203204144 in words is "one billion, two hundred three million, two hundred four thousand, one hundred forty-four".