125136845 has 8 divisors (see below), whose sum is σ = 150250464. Its totient is φ = 100051984.

The previous prime is 125136841. The next prime is 125136857. The reversal of 125136845 is 548631521.

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 125136845 - 2² = 125136841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125136841) 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 7 ways as a sum of consecutive naturals, for example, 3962 + ... + 16308.

It is an arithmetic number, because the mean of its divisors is an integer number (18781308).

Almost surely, 2^125136845 is an apocalyptic number.

It is an amenable number.

125136845 is a deficient number, since it is larger than the sum of its proper divisors (25113619).

125136845 is a wasteful number, since it uses less digits than its factorization.

125136845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379.

The product of its digits is 28800, while the sum is 35.

The square root of 125136845 is about 11186.4581079089. The cubic root of 125136845 is about 500.1823934572.

The spelling of 125136845 in words is "one hundred twenty-five million, one hundred thirty-six thousand, eight hundred forty-five".