1323402125 has 32 divisors (see below), whose sum is σ = 1704015456. Its totient is φ = 1025395200.

The previous prime is 1323402109. The next prime is 1323402131. The reversal of 1323402125 is 5212043231.

It can be written as a sum of positive squares in 16 ways, for example, as 484836361 + 838565764 = 22019^2 + 28958^2 .

It is not a de Polignac number, because 1323402125 - 2⁴ = 1323402109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323402125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1280609 + ... + 1281641.

It is an arithmetic number, because the mean of its divisors is an integer number (53250483).

Almost surely, 2^1323402125 is an apocalyptic number.

It is an amenable number.

1323402125 is a deficient number, since it is larger than the sum of its proper divisors (380613331).

1323402125 is a wasteful number, since it uses less digits than its factorization.

1323402125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1323402125 is about 36378.5943241352. The cubic root of 1323402125 is about 1097.9029261019.

Adding to 1323402125 its reverse (5212043231), we get a palindrome (6535445356).

The spelling of 1323402125 in words is "one billion, three hundred twenty-three million, four hundred two thousand, one hundred twenty-five".