125305420444 has 12 divisors (see below), whose sum is σ = 219764323744. Its totient is φ = 62515613664.

The previous prime is 125305420441. The next prime is 125305420459. The reversal of 125305420444 is 444024503521.

It is a super-2 number, since 2×125305420444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125305420441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34272084 + ... + 34275739.

Almost surely, 2^125305420444 is an apocalyptic number.

It is an amenable number.

125305420444 is a deficient number, since it is larger than the sum of its proper divisors (94458903300).

125305420444 is a wasteful number, since it uses less digits than its factorization.

125305420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68548284 (or 68548282 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 125305420444 its reverse (444024503521), we get a palindrome (569329923965).

The spelling of 125305420444 in words is "one hundred twenty-five billion, three hundred five million, four hundred twenty thousand, four hundred forty-four".