125441031405 has 32 divisors (see below), whose sum is σ = 205826784768. Its totient is φ = 65206656000.

The previous prime is 125441031337. The next prime is 125441031409. The reversal of 125441031405 is 504130144521.

It is a de Polignac number, because none of the positive numbers 2^k-125441031405 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125441031409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199246 + ... + 539055.

It is an arithmetic number, because the mean of its divisors is an integer number (6432087024).

Almost surely, 2^125441031405 is an apocalyptic number.

125441031405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125441031405 is a deficient number, since it is larger than the sum of its proper divisors (80385753363).

125441031405 is a wasteful number, since it uses less digits than its factorization.

125441031405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738597.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 125441031405 its reverse (504130144521), we get a palindrome (629571175926).

The spelling of 125441031405 in words is "one hundred twenty-five billion, four hundred forty-one million, thirty-one thousand, four hundred five".