3120452125 has 16 divisors (see below), whose sum is σ = 4450657536. Its totient is φ = 2139738000.

The previous prime is 3120452123. The next prime is 3120452141. The reversal of 3120452125 is 5212540213.

It is not a de Polignac number, because 3120452125 - 2¹ = 3120452123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 3120452125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120452123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1782241 + ... + 1783990.

It is an arithmetic number, because the mean of its divisors is an integer number (278166096).

Almost surely, 2^3120452125 is an apocalyptic number.

3120452125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3120452125 is a deficient number, since it is larger than the sum of its proper divisors (1330205411).

3120452125 is an equidigital number, since it uses as much as digits as its factorization.

3120452125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566253 (or 3566243 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3120452125 is about 55861.0071964335. The cubic root of 3120452125 is about 1461.2992945265.

Adding to 3120452125 its reverse (5212540213), we get a palindrome (8332992338).

The spelling of 3120452125 in words is "three billion, one hundred twenty million, four hundred fifty-two thousand, one hundred twenty-five".