1200123325 has 24 divisors (see below), whose sum is σ = 1558828800. Its totient is φ = 914823360.

The previous prime is 1200123319. The next prime is 1200123329. The reversal of 1200123325 is 5233210021.

It is not a de Polignac number, because 1200123325 - 2²¹ = 1198026173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200123329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150796 + ... + 158554.

It is an arithmetic number, because the mean of its divisors is an integer number (64951200).

Almost surely, 2^1200123325 is an apocalyptic number.

It is an amenable number.

1200123325 is a deficient number, since it is larger than the sum of its proper divisors (358705475).

1200123325 is a wasteful number, since it uses less digits than its factorization.

1200123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061 (or 8056 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1200123325 is about 34642.7961486945. The cubic root of 1200123325 is about 1062.6949713712.

Adding to 1200123325 its reverse (5233210021), we get a palindrome (6433333346).

The spelling of 1200123325 in words is "one billion, two hundred million, one hundred twenty-three thousand, three hundred twenty-five".