125200838523903 has 4 divisors (see below), whose sum is σ = 166934451365208. Its totient is φ = 83467225682600.

The previous prime is 125200838523899. The next prime is 125200838523961. The reversal of 125200838523903 is 309325838002521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125200838523903 - 2² = 125200838523899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125200838523203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20866806420648 + ... + 20866806420653.

It is an arithmetic number, because the mean of its divisors is an integer number (41733612841302).

Almost surely, 2^{125200838523903} is an apocalyptic number.

125200838523903 is a deficient number, since it is larger than the sum of its proper divisors (41733612841305).

125200838523903 is an equidigital number, since it uses as much as digits as its factorization.

125200838523903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41733612841304.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 125200838523903 in words is "one hundred twenty-five trillion, two hundred billion, eight hundred thirty-eight million, five hundred twenty-three thousand, nine hundred three".