1204543450 has 24 divisors (see below), whose sum is σ = 2444129280. Its totient is φ = 438015600.

The previous prime is 1204543441. The next prime is 1204543453. The reversal of 1204543450 is 543454021.

It is not an unprimeable number, because it can be changed into a prime (1204543453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1094490 + ... + 1095589.

It is an arithmetic number, because the mean of its divisors is an integer number (101838720).

Almost surely, 2^1204543450 is an apocalyptic number.

1204543450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1204543450 is an abundant number, since it is smaller than the sum of its proper divisors (1239585830).

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

1204543450 is a wasteful number, since it uses less digits than its factorization.

1204543450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190102 (or 2190097 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1204543450 is about 34706.5332466382. The cubic root of 1204543450 is about 1063.9980290210.

Adding to 1204543450 its reverse (543454021), we get a palindrome (1747997471).

It can be divided in two parts, 120454 and 3450, that added together give a square (123904 = 352²).

The spelling of 1204543450 in words is "one billion, two hundred four million, five hundred forty-three thousand, four hundred fifty".