125650398784 has 63 divisors (see below), whose sum is σ = 253973377371. Its totient is φ = 61678128000.

The previous prime is 125650398779. The next prime is 125650398787. The reversal of 125650398784 is 487893056521.

The square root of 125650398784 is 354472.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125650398787) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 167310409 + ... + 167311159.

It is a 1-persistent number, because it is pandigital, but 2⋅125650398784 = 251300797568 is not.

Almost surely, 2^125650398784 is an apocalyptic number.

125650398784 is the 354472-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125650398784

125650398784 is an abundant number, since it is smaller than the sum of its proper divisors (128322978587).

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

125650398784 is an frugal number, since it uses more digits than its factorization.

125650398784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 125650398784 in words is "one hundred twenty-five billion, six hundred fifty million, three hundred ninety-eight thousand, seven hundred eighty-four".