12125455 has 8 divisors (see below), whose sum is σ = 14944032. Its totient is φ = 9438048.

The previous prime is 12125447. The next prime is 12125461. The reversal of 12125455 is 55452121.

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

It is a cyclic number.

It is not a de Polignac number, because 12125455 - 2³ = 12125447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32587 + ... + 32956.

It is an arithmetic number, because the mean of its divisors is an integer number (1868004).

Almost surely, 2^12125455 is an apocalyptic number.

12125455 is a deficient number, since it is larger than the sum of its proper divisors (2818577).

12125455 is an equidigital number, since it uses as much as digits as its factorization.

12125455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65585.

The product of its digits is 2000, while the sum is 25.

The square root of 12125455 is about 3482.1624028755. The cubic root of 12125455 is about 229.7379182361.

Adding to 12125455 its reverse (55452121), we get a palindrome (67577576).

The spelling of 12125455 in words is "twelve million, one hundred twenty-five thousand, four hundred fifty-five".