125487305 has 16 divisors (see below), whose sum is σ = 161507520. Its totient is φ = 93307968.

The previous prime is 125487301. The next prime is 125487331. The reversal of 125487305 is 503784521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125487305 - 2² = 125487301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125487301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7427 + ... + 17496.

It is an arithmetic number, because the mean of its divisors is an integer number (10094220).

Almost surely, 2^125487305 is an apocalyptic number.

It is an amenable number.

125487305 is a deficient number, since it is larger than the sum of its proper divisors (36020215).

125487305 is a wasteful number, since it uses less digits than its factorization.

125487305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 125487305 is about 11202.1116312952. Note that the first 3 decimals coincide. The cubic root of 125487305 is about 500.6488974998.

The spelling of 125487305 in words is "one hundred twenty-five million, four hundred eighty-seven thousand, three hundred five".