125122042444 has 12 divisors (see below), whose sum is σ = 250244084944. Its totient is φ = 53623732464.

The previous prime is 125122042439. The next prime is 125122042477. The reversal of 125122042444 is 444240221521.

125122042444 is an admirable number.

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, 2234322159 + ... + 2234322214.

Almost surely, 2^125122042444 is an apocalyptic number.

125122042444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125122042444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125122042444 is a wasteful number, since it uses less digits than its factorization.

125122042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468644384 (or 4468644382 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 125122042444 its reverse (444240221521), we get a palindrome (569362263965).

The spelling of 125122042444 in words is "one hundred twenty-five billion, one hundred twenty-two million, forty-two thousand, four hundred forty-four".