125232221455123 has 48 divisors (see below), whose sum is σ = 134653202280576. Its totient is φ = 116403991038720.

The previous prime is 125232221455057. The next prime is 125232221455129. The reversal of 125232221455123 is 321554122232521.

It is not a de Polignac number, because 125232221455123 - 2¹³ = 125232221446931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125232221455129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3256064113 + ... + 3256102573.

It is an arithmetic number, because the mean of its divisors is an integer number (2805275047512).

Almost surely, 2^{125232221455123} is an apocalyptic number.

125232221455123 is a deficient number, since it is larger than the sum of its proper divisors (9420980825453).

125232221455123 is a wasteful number, since it uses less digits than its factorization.

125232221455123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39484 (or 39461 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

Adding to 125232221455123 its reverse (321554122232521), we get a palindrome (446786343687644).

The spelling of 125232221455123 in words is "one hundred twenty-five trillion, two hundred thirty-two billion, two hundred twenty-one million, four hundred fifty-five thousand, one hundred twenty-three".