125121060 has 36 divisors (see below), whose sum is σ = 379534428. Its totient is φ = 33365568.

The previous prime is 125121019. The next prime is 125121067. The reversal of 125121060 is 60121521.

It can be written as a sum of positive squares in 2 ways, for example, as 42928704 + 82192356 = 6552^2 + 9066^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (125121067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347379 + ... + 347738.

It is an arithmetic number, because the mean of its divisors is an integer number (10542623).

Almost surely, 2^125121060 is an apocalyptic number.

125121060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125121060 is an abundant number, since it is smaller than the sum of its proper divisors (254413368).

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

125121060 is a wasteful number, since it uses less digits than its factorization.

125121060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695132 (or 695127 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 125121060 is about 11185.7525450906. The cubic root of 125121060 is about 500.1613612528.

Adding to 125121060 its reverse (60121521), we get a palindrome (185242581).

The spelling of 125121060 in words is "one hundred twenty-five million, one hundred twenty-one thousand, sixty".