1200143430 has 24 divisors (see below), whose sum is σ = 3120373152. Its totient is φ = 320038224.

The previous prime is 1200143423. The next prime is 1200143447. The reversal of 1200143430 is 343410021.

1200143430 is a `hidden beast` number, since 1 + 200 + 1 + 434 + 30 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6667374 + ... + 6667553.

It is an arithmetic number, because the mean of its divisors is an integer number (130015548).

Almost surely, 2^1200143430 is an apocalyptic number.

1200143430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200143430 is an abundant number, since it is smaller than the sum of its proper divisors (1920229722).

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

1200143430 is a wasteful number, since it uses less digits than its factorization.

1200143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334940 (or 13334937 counting only the distinct ones).

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

The square root of 1200143430 is about 34643.0863232478. The cubic root of 1200143430 is about 1062.7009055844.

Adding to 1200143430 its reverse (343410021), we get a palindrome (1543553451).

The spelling of 1200143430 in words is "one billion, two hundred million, one hundred forty-three thousand, four hundred thirty".