125513606 has 8 divisors (see below), whose sum is σ = 194343744. Its totient is φ = 60732360.

The previous prime is 125513581. The next prime is 125513611. The reversal of 125513606 is 606315521.

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

It is a super-2 number, since 2×125513606² = 31507330582246472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012145 + ... + 1012268.

It is an arithmetic number, because the mean of its divisors is an integer number (24292968).

Almost surely, 2^125513606 is an apocalyptic number.

125513606 is a deficient number, since it is larger than the sum of its proper divisors (68830138).

125513606 is a wasteful number, since it uses less digits than its factorization.

125513606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024446.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 125513606 is about 11203.2855002450. The cubic root of 125513606 is about 500.6838722112.

The spelling of 125513606 in words is "one hundred twenty-five million, five hundred thirteen thousand, six hundred six".