1200040324 has 12 divisors (see below), whose sum is σ = 2400080704. Its totient is φ = 514302984.

The previous prime is 1200040321. The next prime is 1200040327. The reversal of 1200040324 is 4230400021.

It is an interprime number because it is at equal distance from previous prime (1200040321) and next prime (1200040327).

1200040324 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1200040298 and 1200040307.

It is not an unprimeable number, because it can be changed into a prime (1200040321) 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 3 ways as a sum of consecutive naturals, for example, 21429264 + ... + 21429319.

Almost surely, 2^1200040324 is an apocalyptic number.

1200040324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1200040324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200040324 is a wasteful number, since it uses less digits than its factorization.

1200040324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42858594 (or 42858592 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1200040324 is about 34641.5981732945. The cubic root of 1200040324 is about 1062.6704720060.

Adding to 1200040324 its reverse (4230400021), we get a palindrome (5430440345).

The spelling of 1200040324 in words is "one billion, two hundred million, forty thousand, three hundred twenty-four".