1323120102 has 64 divisors (see below), whose sum is σ = 2763694080. Its totient is φ = 421977600.

The previous prime is 1323120067. The next prime is 1323120133. The reversal of 1323120102 is 2010213231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4882227 + ... + 4882497.

It is an arithmetic number, because the mean of its divisors is an integer number (43182720).

Almost surely, 2^1323120102 is an apocalyptic number.

1323120102 is an abundant number, since it is smaller than the sum of its proper divisors (1440573978).

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

1323120102 is a wasteful number, since it uses less digits than its factorization.

1323120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1323120102 is about 36374.7178958133. The cubic root of 1323120102 is about 1097.8249311956.

Adding to 1323120102 its reverse (2010213231), we get a palindrome (3333333333).

It can be divided in two parts, 13231 and 20102, that multiplied together give a palindrome (265969562).

The spelling of 1323120102 in words is "one billion, three hundred twenty-three million, one hundred twenty thousand, one hundred two".