125621747000 has 32 divisors (see below), whose sum is σ = 293954890320. Its totient is φ = 50248698400.

The previous prime is 125621746937. The next prime is 125621747003. The reversal of 125621747000 is 747126521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125621747003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62809874 + ... + 62811873.

Almost surely, 2^125621747000 is an apocalyptic number.

125621747000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125621747000 is an abundant number, since it is smaller than the sum of its proper divisors (168333143320).

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

125621747000 is a wasteful number, since it uses less digits than its factorization.

125621747000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125621768 (or 125621754 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 125621747000 in words is "one hundred twenty-five billion, six hundred twenty-one million, seven hundred forty-seven thousand".