125445056 has 84 divisors (see below), whose sum is σ = 278093424. Its totient is φ = 56094720.

The previous prime is 125445043. The next prime is 125445071. The reversal of 125445056 is 650544521.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 11 ways as a sum of consecutive naturals, for example, 751085 + ... + 751251.

It is an arithmetic number, because the mean of its divisors is an integer number (3310636).

Almost surely, 2^125445056 is an apocalyptic number.

125445056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125445056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139046712).

125445056 is an abundant number, since it is smaller than the sum of its proper divisors (152648368).

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

125445056 is a wasteful number, since it uses less digits than its factorization.

125445056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 125445056 is about 11200.2257120113. The cubic root of 125445056 is about 500.5927051237.

Adding to 125445056 its reverse (650544521), we get a palindrome (775989577).

The spelling of 125445056 in words is "one hundred twenty-five million, four hundred forty-five thousand, fifty-six".