125044551455122 has 16 divisors (see below), whose sum is σ = 202069499267160. Its totient is φ = 57691597156992.

The previous prime is 125044551455069. The next prime is 125044551455123. The reversal of 125044551455122 is 221554155440521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109149650295841 + 15894901159281 = 10447471^2 + 3986841^2 .

It is a super-2 number, since 2×125044551455122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125044551455123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 886292497 + ... + 886433572.

Almost surely, 2^{125044551455122} is an apocalyptic number.

125044551455122 is a deficient number, since it is larger than the sum of its proper divisors (77024947812038).

125044551455122 is a wasteful number, since it uses less digits than its factorization.

125044551455122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772728797.

The product of its (nonzero) digits is 1600000, while the sum is 46.

The spelling of 125044551455122 in words is "one hundred twenty-five trillion, forty-four billion, five hundred fifty-one million, four hundred fifty-five thousand, one hundred twenty-two".