1252328845 has 8 divisors (see below), whose sum is σ = 1503659520. Its totient is φ = 1001286480.

The previous prime is 1252328821. The next prime is 1252328921. The reversal of 1252328845 is 5488232521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252328845 - 2⁷ = 1252328717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252328798 and 1252328807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62401 + ... + 79990.

It is an arithmetic number, because the mean of its divisors is an integer number (187957440).

Almost surely, 2^1252328845 is an apocalyptic number.

It is an amenable number.

1252328845 is a deficient number, since it is larger than the sum of its proper divisors (251330675).

1252328845 is a wasteful number, since it uses less digits than its factorization.

1252328845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144155.

The product of its digits is 153600, while the sum is 40.

The square root of 1252328845 is about 35388.2585754089. The cubic root of 1252328845 is about 1077.8859092531.

The spelling of 1252328845 in words is "one billion, two hundred fifty-two million, three hundred twenty-eight thousand, eight hundred forty-five".