125553512 has 16 divisors (see below), whose sum is σ = 269043360. Its totient is φ = 53808624.

The previous prime is 125553451. The next prime is 125553541. The reversal of 125553512 is 215355521.

It is an unprimeable number.

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, 1120958 + ... + 1121069.

It is an arithmetic number, because the mean of its divisors is an integer number (16815210).

Almost surely, 2^125553512 is an apocalyptic number.

It is an amenable number.

125553512 is an abundant number, since it is smaller than the sum of its proper divisors (143489848).

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

125553512 is a wasteful number, since it uses less digits than its factorization.

125553512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242040 (or 2242036 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 125553512 is about 11205.0663541096. The cubic root of 125553512 is about 500.7369293367.

The spelling of 125553512 in words is "one hundred twenty-five million, five hundred fifty-three thousand, five hundred twelve".