125642430320 has 160 divisors (see below), whose sum is σ = 335273916096. Its totient is φ = 43368652800.

The previous prime is 125642430317. The next prime is 125642430341. The reversal of 125642430320 is 23034246521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1287902 + ... + 1382018.

Almost surely, 2^125642430320 is an apocalyptic number.

125642430320 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 125642430320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167636958048).

125642430320 is an abundant number, since it is smaller than the sum of its proper divisors (209631485776).

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

125642430320 is a wasteful number, since it uses less digits than its factorization.

125642430320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94219 (or 94213 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 125642430320 its reverse (23034246521), we get a palindrome (148676676841).

The spelling of 125642430320 in words is "one hundred twenty-five billion, six hundred forty-two million, four hundred thirty thousand, three hundred twenty".