123124012232125 has 8 divisors (see below), whose sum is σ = 153658767265848. Its totient is φ = 98499209785600.

The previous prime is 123124012232107. The next prime is 123124012232131. The reversal of 123124012232125 is 521232210421321.

It can be written as a sum of positive squares in 4 ways, for example, as 2430300159364 + 120693712072761 = 1558942^2 + 10986069^2 .

It is not a de Polignac number, because 123124012232125 - 2¹¹ = 123124012230077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 492496048804 + ... + 492496049053.

It is an arithmetic number, because the mean of its divisors is an integer number (19207345908231).

Almost surely, 2^{123124012232125} is an apocalyptic number.

It is an amenable number.

123124012232125 is a deficient number, since it is larger than the sum of its proper divisors (30534755033723).

123124012232125 is an frugal number, since it uses more digits than its factorization.

123124012232125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984992097872 (or 984992097862 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 123124012232125 its reverse (521232210421321), we get a palindrome (644356222653446).

The spelling of 123124012232125 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, twelve million, two hundred thirty-two thousand, one hundred twenty-five".