125440234036 has 24 divisors (see below), whose sum is σ = 236423673864. Its totient is φ = 57891310080.

The previous prime is 125440234013. The next prime is 125440234061. The reversal of 125440234036 is 630432044521.

It can be written as a sum of positive squares in 4 ways, for example, as 18011536 + 125422222500 = 4244^2 + 354150^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125440233992 and 125440234010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708816 + ... + 867928.

It is an arithmetic number, because the mean of its divisors is an integer number (9850986411).

Almost surely, 2^125440234036 is an apocalyptic number.

It is an amenable number.

125440234036 is a deficient number, since it is larger than the sum of its proper divisors (110983439828).

125440234036 is a wasteful number, since it uses less digits than its factorization.

125440234036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174291 (or 174289 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 125440234036 its reverse (630432044521), we get a palindrome (755872278557).

The spelling of 125440234036 in words is "one hundred twenty-five billion, four hundred forty million, two hundred thirty-four thousand, thirty-six".