125052505 has 8 divisors (see below), whose sum is σ = 151466112. Its totient is φ = 99106608.

The previous prime is 125052503. The next prime is 125052511. The reversal of 125052505 is 505250521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125052505 - 2¹ = 125052503 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125052505.

It is not an unprimeable number, because it can be changed into a prime (125052503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116337 + ... + 117406.

It is an arithmetic number, because the mean of its divisors is an integer number (18933264).

Almost surely, 2^125052505 is an apocalyptic number.

It is an amenable number.

125052505 is a deficient number, since it is larger than the sum of its proper divisors (26413607).

125052505 is a wasteful number, since it uses less digits than its factorization.

125052505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233855.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 125052505 is about 11182.6877359604. The cubic root of 125052505 is about 500.0699968671.

The spelling of 125052505 in words is "one hundred twenty-five million, fifty-two thousand, five hundred five".