125402525 has 12 divisors (see below), whose sum is σ = 160862100. Its totient is φ = 96862080.

The previous prime is 125402521. The next prime is 125402531. The reversal of 125402525 is 525204521.

It can be written as a sum of positive squares in 6 ways, for example, as 24661156 + 100741369 = 4966^2 + 10037^2 .

It is not a de Polignac number, because 125402525 - 2² = 125402521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125402494 and 125402503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125402521) 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 11 ways as a sum of consecutive naturals, for example, 85760 + ... + 87209.

It is an arithmetic number, because the mean of its divisors is an integer number (13405175).

Almost surely, 2^125402525 is an apocalyptic number.

It is an amenable number.

125402525 is a deficient number, since it is larger than the sum of its proper divisors (35459575).

125402525 is a wasteful number, since it uses less digits than its factorization.

125402525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173008 (or 173003 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 125402525 is about 11198.3268839590. The cubic root of 125402525 is about 500.5361249346.

The spelling of 125402525 in words is "one hundred twenty-five million, four hundred two thousand, five hundred twenty-five".