125845917930 has 48 divisors (see below), whose sum is σ = 327256529184. Its totient is φ = 33553050720.

The previous prime is 125845917929. The next prime is 125845917931. The reversal of 125845917930 is 39719548521.

It is a happy number.

125845917930 is a `hidden beast` number, since 1 + 2 + 584 + 59 + 1 + 7 + 9 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (125845917929) and next prime (125845917931).

It is not an unprimeable number, because it can be changed into a prime (125845917931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408865 + ... + 647195.

It is an arithmetic number, because the mean of its divisors is an integer number (6817844358).

Almost surely, 2^125845917930 is an apocalyptic number.

125845917930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125845917930 is an abundant number, since it is smaller than the sum of its proper divisors (201410611254).

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

125845917930 is a wasteful number, since it uses less digits than its factorization.

125845917930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244211 (or 244208 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 125845917930 in words is "one hundred twenty-five billion, eight hundred forty-five million, nine hundred seventeen thousand, nine hundred thirty".