12020125 has 24 divisors (see below), whose sum is σ = 16272360. Its totient is φ = 8860800.

The previous prime is 12020119. The next prime is 12020131. The reversal of 12020125 is 52102021.

It is an interprime number because it is at equal distance from previous prime (12020119) and next prime (12020131).

It can be written as a sum of positive squares in 12 ways, for example, as 12020089 + 36 = 3467^2 + 6^2 .

It is not a de Polignac number, because 12020125 - 2²³ = 3631517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20841 + ... + 21409.

It is an arithmetic number, because the mean of its divisors is an integer number (678015).

Almost surely, 2^12020125 is an apocalyptic number.

It is an amenable number.

12020125 is a deficient number, since it is larger than the sum of its proper divisors (4252235).

12020125 is an equidigital number, since it uses as much as digits as its factorization.

12020125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12020125 is about 3467.0051918046. The cubic root of 12020125 is about 229.0707624417.

Adding to 12020125 its reverse (52102021), we get a palindrome (64122146).

The spelling of 12020125 in words is "twelve million, twenty thousand, one hundred twenty-five".