125243005420122 has 16 divisors (see below), whose sum is σ = 250486323160320. Its totient is φ = 41747616420032.

The previous prime is 125243005420097. The next prime is 125243005420139. The reversal of 125243005420122 is 221024500342521.

It is a super-3 number, since 3×125243005420122³ (a number of 43 digits) contains 333 as substring.

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, 7628847 + ... + 17569442.

It is an arithmetic number, because the mean of its divisors is an integer number (15655395197520).

Almost surely, 2^{125243005420122} is an apocalyptic number.

125243005420122 is an abundant number, since it is smaller than the sum of its proper divisors (125243317740198).

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

125243005420122 is a wasteful number, since it uses less digits than its factorization.

125243005420122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26026677.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 125243005420122 its reverse (221024500342521), we get a palindrome (346267505762643).

The spelling of 125243005420122 in words is "one hundred twenty-five trillion, two hundred forty-three billion, five million, four hundred twenty thousand, one hundred twenty-two".