125232315435420 has 144 divisors (see below), whose sum is σ = 369163031237280. Its totient is φ = 31708242209280.

The previous prime is 125232315435407. The next prime is 125232315435421. The reversal of 125232315435420 is 24534513232521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125232315435421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17433735 + ... + 23545694.

It is an arithmetic number, because the mean of its divisors is an integer number (2563632161370).

Almost surely, 2^{125232315435420} is an apocalyptic number.

125232315435420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125232315435420 is an abundant number, since it is smaller than the sum of its proper divisors (243930715801860).

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

125232315435420 is a wasteful number, since it uses less digits than its factorization.

125232315435420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40979556 (or 40979523 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 125232315435420 its reverse (24534513232521), we get a palindrome (149766828667941).

The spelling of 125232315435420 in words is "one hundred twenty-five trillion, two hundred thirty-two billion, three hundred fifteen million, four hundred thirty-five thousand, four hundred twenty".