125772147644 has 48 divisors (see below), whose sum is σ = 262963290240. Its totient is φ = 51877083840.

The previous prime is 125772147587. The next prime is 125772147647. The reversal of 125772147644 is 446741277521.

It is a junction number, because it is equal to n+sod(n) for n = 125772147592 and 125772147601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125772147647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1829654 + ... + 1897149.

It is an arithmetic number, because the mean of its divisors is an integer number (5478401880).

Almost surely, 2^125772147644 is an apocalyptic number.

It is an amenable number.

125772147644 is an abundant number, since it is smaller than the sum of its proper divisors (137191142596).

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

125772147644 is a wasteful number, since it uses less digits than its factorization.

125772147644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726890 (or 3726888 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 50.

The spelling of 125772147644 in words is "one hundred twenty-five billion, seven hundred seventy-two million, one hundred forty-seven thousand, six hundred forty-four".