125503985 has 8 divisors (see below), whose sum is σ = 157152960. Its totient is φ = 96037744.

The previous prime is 125503943. The next prime is 125503997. The reversal of 125503985 is 589305521.

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 125503985 - 2¹⁶ = 125438449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545555 + ... + 545784.

It is an arithmetic number, because the mean of its divisors is an integer number (19644120).

Almost surely, 2^125503985 is an apocalyptic number.

It is an amenable number.

125503985 is a deficient number, since it is larger than the sum of its proper divisors (31648975).

125503985 is a wasteful number, since it uses less digits than its factorization.

125503985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091367.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 125503985 is about 11202.8561090465. The cubic root of 125503985 is about 500.6710789033.

The spelling of 125503985 in words is "one hundred twenty-five million, five hundred three thousand, nine hundred eighty-five".