125435250 has 64 divisors (see below), whose sum is σ = 347892480. Its totient is φ = 33447600.

The previous prime is 125435227. The next prime is 125435281. The reversal of 125435250 is 52534521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2542 + ... + 16041.

It is an arithmetic number, because the mean of its divisors is an integer number (5435820).

Almost surely, 2^125435250 is an apocalyptic number.

125435250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125435250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173946240).

125435250 is an abundant number, since it is smaller than the sum of its proper divisors (222457230).

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

125435250 is a wasteful number, since it uses less digits than its factorization.

125435250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18609 (or 18593 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 125435250 is about 11199.7879444211. The cubic root of 125435250 is about 500.5796610598.

Adding to 125435250 its reverse (52534521), we get a palindrome (177969771).

The spelling of 125435250 in words is "one hundred twenty-five million, four hundred thirty-five thousand, two hundred fifty".