1200431324 has 48 divisors (see below), whose sum is σ = 2286144000. Its totient is φ = 549686016.

The previous prime is 1200431317. The next prime is 1200431329. The reversal of 1200431324 is 4231340021.

It is a junction number, because it is equal to n+sod(n) for n = 1200431296 and 1200431305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200431329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294452 + ... + 298500.

It is an arithmetic number, because the mean of its divisors is an integer number (47628000).

Almost surely, 2^1200431324 is an apocalyptic number.

It is an amenable number.

1200431324 is a deficient number, since it is larger than the sum of its proper divisors (1085712676).

1200431324 is a wasteful number, since it uses less digits than its factorization.

1200431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202 (or 4200 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1200431324 is about 34647.2412177362. The cubic root of 1200431324 is about 1062.7858734159.

Adding to 1200431324 its reverse (4231340021), we get a palindrome (5431771345).

The spelling of 1200431324 in words is "one billion, two hundred million, four hundred thirty-one thousand, three hundred twenty-four".