125001354858 has 16 divisors (see below), whose sum is σ = 264708751680. Its totient is φ = 39216111296.

The previous prime is 125001354857. The next prime is 125001354923. The reversal of 125001354858 is 858453100521.

It is not an unprimeable number, because it can be changed into a prime (125001354857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612751638 + ... + 612751841.

It is an arithmetic number, because the mean of its divisors is an integer number (16544296980).

Almost surely, 2^125001354858 is an apocalyptic number.

125001354858 is an abundant number, since it is smaller than the sum of its proper divisors (139707396822).

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

125001354858 is a wasteful number, since it uses less digits than its factorization.

125001354858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225503501.

The product of its (nonzero) digits is 192000, while the sum is 42.

The spelling of 125001354858 in words is "one hundred twenty-five billion, one million, three hundred fifty-four thousand, eight hundred fifty-eight".