1200055432 has 32 divisors (see below), whose sum is σ = 2388787200. Its totient is φ = 563233024.

The previous prime is 1200055427. The next prime is 1200055433. The reversal of 1200055432 is 2345500021.

It is not an unprimeable number, because it can be changed into a prime (1200055433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40569 + ... + 63607.

It is an arithmetic number, because the mean of its divisors is an integer number (74649600).

Almost surely, 2^1200055432 is an apocalyptic number.

It is an amenable number.

1200055432 is a deficient number, since it is larger than the sum of its proper divisors (1188731768).

1200055432 is a wasteful number, since it uses less digits than its factorization.

1200055432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23445 (or 23441 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1200055432 is about 34641.8162341411. The cubic root of 1200055432 is about 1062.6749315112.

Adding to 1200055432 its reverse (2345500021), we get a palindrome (3545555453).

The spelling of 1200055432 in words is "one billion, two hundred million, fifty-five thousand, four hundred thirty-two".