125554120 has 16 divisors (see below), whose sum is σ = 282496860. Its totient is φ = 50221632.

The previous prime is 125554069. The next prime is 125554127. The reversal of 125554120 is 21455521.

It can be written as a sum of positive squares in 2 ways, for example, as 118679236 + 6874884 = 10894^2 + 2622^2 .

It is not an unprimeable number, because it can be changed into a prime (125554127) 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 3 ways as a sum of consecutive naturals, for example, 1569387 + ... + 1569466.

Almost surely, 2^125554120 is an apocalyptic number.

125554120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125554120 is an abundant number, since it is smaller than the sum of its proper divisors (156942740).

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

125554120 is a wasteful number, since it uses less digits than its factorization.

125554120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138864 (or 3138860 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 125554120 is about 11205.0934846613. The cubic root of 125554120 is about 500.7377376177.

The spelling of 125554120 in words is "one hundred twenty-five million, five hundred fifty-four thousand, one hundred twenty".