1200231324 has 24 divisors (see below), whose sum is σ = 3111711120. Its totient is φ = 400077072.

The previous prime is 1200231281. The next prime is 1200231413. The reversal of 1200231324 is 4231320021.

It is a super-2 number, since 2×1200231324² = 2881110462221585952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1200231297 and 1200231306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5556519 + ... + 5556734.

It is an arithmetic number, because the mean of its divisors is an integer number (129654630).

Almost surely, 2^1200231324 is an apocalyptic number.

It is an amenable number.

1200231324 is an abundant number, since it is smaller than the sum of its proper divisors (1911479796).

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

1200231324 is a wasteful number, since it uses less digits than its factorization.

1200231324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11113266 (or 11113258 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1200231324 is about 34644.3548648261. The cubic root of 1200231324 is about 1062.7268476929.

Adding to 1200231324 its reverse (4231320021), we get a palindrome (5431551345).

The spelling of 1200231324 in words is "one billion, two hundred million, two hundred thirty-one thousand, three hundred twenty-four".