125205143044 has 12 divisors (see below), whose sum is σ = 219132138204. Its totient is φ = 62595960704.

The previous prime is 125205143029. The next prime is 125205143053. The reversal of 125205143044 is 440341502521.

It can be written as a sum of positive squares in 2 ways, for example, as 36907020544 + 88298122500 = 192112^2 + 297150^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125205142997 and 125205143015.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1609969 + ... + 1685944.

It is an arithmetic number, because the mean of its divisors is an integer number (18261011517).

Almost surely, 2^125205143044 is an apocalyptic number.

It is an amenable number.

125205143044 is a deficient number, since it is larger than the sum of its proper divisors (93926995160).

125205143044 is a wasteful number, since it uses less digits than its factorization.

125205143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305414 (or 3305412 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 125205143044 its reverse (440341502521), we get a palindrome (565546645565).

The spelling of 125205143044 in words is "one hundred twenty-five billion, two hundred five million, one hundred forty-three thousand, forty-four".