125105214 has 64 divisors (see below), whose sum is σ = 281304576. Its totient is φ = 36837504.

The previous prime is 125105213. The next prime is 125105237. The reversal of 125105214 is 412501521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125105213) 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 31 ways as a sum of consecutive naturals, for example, 193039 + ... + 193685.

It is an arithmetic number, because the mean of its divisors is an integer number (4395384).

Almost surely, 2^125105214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125105214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140652288).

125105214 is an abundant number, since it is smaller than the sum of its proper divisors (156199362).

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

125105214 is a wasteful number, since it uses less digits than its factorization.

125105214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125105214 is about 11185.0442109095. The cubic root of 125105214 is about 500.1402459918.

Adding to 125105214 its reverse (412501521), we get a palindrome (537606735).

The spelling of 125105214 in words is "one hundred twenty-five million, one hundred five thousand, two hundred fourteen".