125104220045 has 16 divisors (see below), whose sum is σ = 179031133440. Its totient is φ = 82055935104.

The previous prime is 125104220041. The next prime is 125104220071. The reversal of 125104220045 is 540022401521.

It is a cyclic number.

It is not a de Polignac number, because 125104220045 - 2² = 125104220041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125104219996 and 125104220023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125104220041) 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 15 ways as a sum of consecutive naturals, for example, 77703680 + ... + 77705289.

It is an arithmetic number, because the mean of its divisors is an integer number (11189445840).

Almost surely, 2^125104220045 is an apocalyptic number.

It is an amenable number.

125104220045 is a deficient number, since it is larger than the sum of its proper divisors (53926913395).

125104220045 is a wasteful number, since it uses less digits than its factorization.

125104220045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155409004.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 125104220045 its reverse (540022401521), we get a palindrome (665126621566).

The spelling of 125104220045 in words is "one hundred twenty-five billion, one hundred four million, two hundred twenty thousand, forty-five".