125002320 has 80 divisors (see below), whose sum is σ = 388582272. Its totient is φ = 33241600.

The previous prime is 125002303. The next prime is 125002331. The reversal of 125002320 is 23200521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 125002320.

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 15 ways as a sum of consecutive naturals, for example, 167869 + ... + 168611.

Almost surely, 2^125002320 is an apocalyptic number.

125002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194291136).

125002320 is an abundant number, since it is smaller than the sum of its proper divisors (263579952).

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

125002320 is a wasteful number, since it uses less digits than its factorization.

125002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 125002320 is about 11180.4436405717. The cubic root of 125002320 is about 500.0030933142.

Adding to 125002320 its reverse (23200521), we get a palindrome (148202841).

The spelling of 125002320 in words is "one hundred twenty-five million, two thousand, three hundred twenty".