125235315203442 has 32 divisors (see below), whose sum is σ = 251039328408000. Its totient is φ = 41650366571520.

The previous prime is 125235315203429. The next prime is 125235315203501. The reversal of 125235315203442 is 244302513532521.

It is a junction number, because it is equal to n+sod(n) for n = 125235315203394 and 125235315203403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5699578 + ... + 16821290.

It is an arithmetic number, because the mean of its divisors is an integer number (7844979012750).

Almost surely, 2^{125235315203442} is an apocalyptic number.

125235315203442 is an abundant number, since it is smaller than the sum of its proper divisors (125804013204558).

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

125235315203442 is a wasteful number, since it uses less digits than its factorization.

125235315203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125978.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 125235315203442 its reverse (244302513532521), we get a palindrome (369537828735963).

The spelling of 125235315203442 in words is "one hundred twenty-five trillion, two hundred thirty-five billion, three hundred fifteen million, two hundred three thousand, four hundred forty-two".