1323154120 has 32 divisors (see below), whose sum is σ = 3106537920. Its totient is φ = 506249920.

The previous prime is 1323154099. The next prime is 1323154159. The reversal of 1323154120 is 214513231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1323154091 and 1323154100.

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, 718186 + ... + 720025.

It is an arithmetic number, because the mean of its divisors is an integer number (97079310).

Almost surely, 2^1323154120 is an apocalyptic number.

1323154120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323154120 is an abundant number, since it is smaller than the sum of its proper divisors (1783383800).

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

1323154120 is a wasteful number, since it uses less digits than its factorization.

1323154120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438245 (or 1438241 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1323154120 is about 36375.1854978088. The cubic root of 1323154120 is about 1097.8343396356.

Adding to 1323154120 its reverse (214513231), we get a palindrome (1537667351).

The spelling of 1323154120 in words is "one billion, three hundred twenty-three million, one hundred fifty-four thousand, one hundred twenty".