125055380 has 12 divisors (see below), whose sum is σ = 262616340. Its totient is φ = 50022144.

The previous prime is 125055323. The next prime is 125055401. The reversal of 125055380 is 83550521.

It can be written as a sum of positive squares in 2 ways, for example, as 88887184 + 36168196 = 9428^2 + 6014^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3126365 + ... + 3126404.

It is an arithmetic number, because the mean of its divisors is an integer number (21884695).

Almost surely, 2^125055380 is an apocalyptic number.

125055380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125055380 is an abundant number, since it is smaller than the sum of its proper divisors (137560960).

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

125055380 is a wasteful number, since it uses less digits than its factorization.

125055380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252778 (or 6252776 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 125055380 is about 11182.8162821357. The cubic root of 125055380 is about 500.0738290980.

The spelling of 125055380 in words is "one hundred twenty-five million, fifty-five thousand, three hundred eighty".