125504320 has 28 divisors (see below), whose sum is σ = 298857924. Its totient is φ = 50201600.

The previous prime is 125504303. The next prime is 125504347. The reversal of 125504320 is 23405521.

It can be written as a sum of positive squares in 2 ways, for example, as 30558784 + 94945536 = 5528^2 + 9744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125504291 and 125504300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195781 + ... + 196420.

Almost surely, 2^125504320 is an apocalyptic number.

125504320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125504320 is an abundant number, since it is smaller than the sum of its proper divisors (173353604).

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

125504320 is an equidigital number, since it uses as much as digits as its factorization.

125504320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392218 (or 392208 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 125504320 is about 11202.8710605809. The cubic root of 125504320 is about 500.6715243729.

Adding to 125504320 its reverse (23405521), we get a palindrome (148909841).

The spelling of 125504320 in words is "one hundred twenty-five million, five hundred four thousand, three hundred twenty".