125423436 has 12 divisors (see below), whose sum is σ = 292654712. Its totient is φ = 41807808.

The previous prime is 125423423. The next prime is 125423437. The reversal of 125423436 is 634324521.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (125423437) 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 3 ways as a sum of consecutive naturals, for example, 5225965 + ... + 5225988.

Almost surely, 2^125423436 is an apocalyptic number.

It is an amenable number.

125423436 is an abundant number, since it is smaller than the sum of its proper divisors (167231276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125423436 is a wasteful number, since it uses less digits than its factorization.

125423436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10451960 (or 10451958 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 125423436 is about 11199.2605113016. The cubic root of 125423436 is about 500.5639450262.

Adding to 125423436 its reverse (634324521), we get a palindrome (759747957).

The spelling of 125423436 in words is "one hundred twenty-five million, four hundred twenty-three thousand, four hundred thirty-six".