125371720368 has 30 divisors (see below), whose sum is σ = 350866690044. Its totient is φ = 41790573408.

The previous prime is 125371720337. The next prime is 125371720391. The reversal of 125371720368 is 863027173521.

125371720368 is a `hidden beast` number, since 1 + 253 + 7 + 17 + 20 + 368 = 666.

125371720368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 435318330 + ... + 435318617.

Almost surely, 2^125371720368 is an apocalyptic number.

125371720368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125371720368 is an abundant number, since it is smaller than the sum of its proper divisors (225494969676).

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

125371720368 is a wasteful number, since it uses less digits than its factorization.

125371720368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870636961 (or 870636952 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

Adding to 125371720368 its reverse (863027173521), we get a palindrome (988398893889).

The spelling of 125371720368 in words is "one hundred twenty-five billion, three hundred seventy-one million, seven hundred twenty thousand, three hundred sixty-eight".