1200144434 has 8 divisors (see below), whose sum is σ = 1805656368. Its totient is φ = 598258980.

The previous prime is 1200144433. The next prime is 1200144437. The reversal of 1200144434 is 4344410021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1200144434² = 2880693324922360712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200144433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905792 + ... + 907115.

It is an arithmetic number, because the mean of its divisors is an integer number (225707046).

Almost surely, 2^1200144434 is an apocalyptic number.

1200144434 is a deficient number, since it is larger than the sum of its proper divisors (605511934).

1200144434 is a wasteful number, since it uses less digits than its factorization.

1200144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813240.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1200144434 is about 34643.1008138706. The cubic root of 1200144434 is about 1062.7012019244.

Adding to 1200144434 its reverse (4344410021), we get a palindrome (5544554455).

The spelling of 1200144434 in words is "one billion, two hundred million, one hundred forty-four thousand, four hundred thirty-four".