125401052 has 24 divisors (see below), whose sum is σ = 254338560. Its totient is φ = 52985520.

The previous prime is 125401051. The next prime is 125401057. The reversal of 125401052 is 250104521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125401051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29552 + ... + 33527.

It is an arithmetic number, because the mean of its divisors is an integer number (10597440).

Almost surely, 2^125401052 is an apocalyptic number.

It is an amenable number.

125401052 is an abundant number, since it is smaller than the sum of its proper divisors (128937508).

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

125401052 is a wasteful number, since it uses less digits than its factorization.

125401052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63161 (or 63159 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 125401052 is about 11198.2611150125. The cubic root of 125401052 is about 500.5341651320.

Adding to 125401052 its reverse (250104521), we get a palindrome (375505573).

The spelling of 125401052 in words is "one hundred twenty-five million, four hundred one thousand, fifty-two".