1204430100 has 36 divisors (see below), whose sum is σ = 3484818624. Its totient is φ = 321181280.

The previous prime is 1204430099. The next prime is 1204430137. The reversal of 1204430100 is 10344021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1204430100.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2007084 + ... + 2007683.

Almost surely, 2^1204430100 is an apocalyptic number.

1204430100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204430100 is an abundant number, since it is smaller than the sum of its proper divisors (2280388524).

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

1204430100 is a wasteful number, since it uses less digits than its factorization.

1204430100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014784 (or 4014777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1204430100 is about 34704.9002303709. The cubic root of 1204430100 is about 1063.9646531778.

Adding to 1204430100 its reverse (10344021), we get a palindrome (1214774121).

The spelling of 1204430100 in words is "one billion, two hundred four million, four hundred thirty thousand, one hundred".