431212125 has 32 divisors (see below), whose sum is σ = 755314560. Its totient is φ = 217872000.

The previous prime is 431212121. The next prime is 431212147. The reversal of 431212125 is 521212134.

It is not a de Polignac number, because 431212125 - 2² = 431212121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431212121) 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 31 ways as a sum of consecutive naturals, for example, 23136 + ... + 37385.

It is an arithmetic number, because the mean of its divisors is an integer number (23603580).

Almost surely, 2^431212125 is an apocalyptic number.

It is an amenable number.

431212125 is a deficient number, since it is larger than the sum of its proper divisors (324102435).

431212125 is a wasteful number, since it uses less digits than its factorization.

431212125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60558 (or 60548 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 431212125 is about 20765.6477144345. The cubic root of 431212125 is about 755.4927853186.

Adding to 431212125 its reverse (521212134), we get a palindrome (952424259).

Subtracting 431212125 from its reverse (521212134), we obtain a palindrome (90000009).

The spelling of 431212125 in words is "four hundred thirty-one million, two hundred twelve thousand, one hundred twenty-five".