1200320132 has 12 divisors (see below), whose sum is σ = 2291520336. Its totient is φ = 545600040.

The previous prime is 1200320129. The next prime is 1200320137. The reversal of 1200320132 is 2310230021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1200320137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13639958 + ... + 13640045.

It is an arithmetic number, because the mean of its divisors is an integer number (190960028).

Almost surely, 2^1200320132 is an apocalyptic number.

It is an amenable number.

1200320132 is a deficient number, since it is larger than the sum of its proper divisors (1091200204).

1200320132 is a wasteful number, since it uses less digits than its factorization.

1200320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27280018 (or 27280016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1200320132 is about 34645.6365506538. The cubic root of 1200320132 is about 1062.7530582842.

Adding to 1200320132 its reverse (2310230021), we get a palindrome (3510550153).

The spelling of 1200320132 in words is "one billion, two hundred million, three hundred twenty thousand, one hundred thirty-two".