1200324140 has 48 divisors (see below), whose sum is σ = 2542234464. Its totient is φ = 476044800.

The previous prime is 1200324133. The next prime is 1200324149. The reversal of 1200324140 is 414230021.

It is not an unprimeable number, because it can be changed into a prime (1200324149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1945112 + ... + 1945728.

It is an arithmetic number, because the mean of its divisors is an integer number (52963218).

Almost surely, 2^1200324140 is an apocalyptic number.

1200324140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200324140 is an abundant number, since it is smaller than the sum of its proper divisors (1341910324).

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

1200324140 is a wasteful number, since it uses less digits than its factorization.

1200324140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1200324140 is about 34645.6943933875. The cubic root of 1200324140 is about 1062.7542411658.

Adding to 1200324140 its reverse (414230021), we get a palindrome (1614554161).

The spelling of 1200324140 in words is "one billion, two hundred million, three hundred twenty-four thousand, one hundred forty".