125548542 has 80 divisors (see below), whose sum is σ = 338490240. Its totient is φ = 33977232.

The previous prime is 125548531. The next prime is 125548547. The reversal of 125548542 is 245845521.

It is a junction number, because it is equal to n+sod(n) for n = 125548497 and 125548506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125548547) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18633 + ... + 24459.

It is an arithmetic number, because the mean of its divisors is an integer number (4231128).

Almost surely, 2^125548542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125548542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169245120).

125548542 is an abundant number, since it is smaller than the sum of its proper divisors (212941698).

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

125548542 is a wasteful number, since it uses less digits than its factorization.

125548542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5867 (or 5858 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 125548542 is about 11204.8445772353. The cubic root of 125548542 is about 500.7303220733.

The spelling of 125548542 in words is "one hundred twenty-five million, five hundred forty-eight thousand, five hundred forty-two".