125125250946 has 64 divisors (see below), whose sum is σ = 263102515200. Its totient is φ = 39594297600.

The previous prime is 125125250891. The next prime is 125125250947. The reversal of 125125250946 is 649052521521.

It is a junction number, because it is equal to n+sod(n) for n = 125125250898 and 125125250907.

It is not an unprimeable number, because it can be changed into a prime (125125250947) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30900730 + ... + 30904778.

It is an arithmetic number, because the mean of its divisors is an integer number (4110976800).

Almost surely, 2^125125250946 is an apocalyptic number.

125125250946 is an abundant number, since it is smaller than the sum of its proper divisors (137977264254).

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

125125250946 is a wasteful number, since it uses less digits than its factorization.

125125250946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 125125250946 in words is "one hundred twenty-five billion, one hundred twenty-five million, two hundred fifty thousand, nine hundred forty-six".