125442132122 has 8 divisors (see below), whose sum is σ = 188164786656. Its totient is φ = 62720536572.

The previous prime is 125442132073. The next prime is 125442132131. The reversal of 125442132122 is 221231244521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125442132122² (a number of 23 digits) contains 22 as substring.

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, 182513 + ... + 533099.

It is an arithmetic number, because the mean of its divisors is an integer number (23520598332).

Almost surely, 2^125442132122 is an apocalyptic number.

125442132122 is a deficient number, since it is larger than the sum of its proper divisors (62722654534).

125442132122 is a wasteful number, since it uses less digits than its factorization.

125442132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529492.

The product of its digits is 7680, while the sum is 29.

Adding to 125442132122 its reverse (221231244521), we get a palindrome (346673376643).

The spelling of 125442132122 in words is "one hundred twenty-five billion, four hundred forty-two million, one hundred thirty-two thousand, one hundred twenty-two".