42104122140125 has 8 divisors (see below), whose sum is σ = 52545944431032. Its totient is φ = 33683297712000.

The previous prime is 42104122140079. The next prime is 42104122140133. The reversal of 42104122140125 is 52104122140124.

It can be written as a sum of positive squares in 4 ways, for example, as 842744196121 + 41261377944004 = 918011^2 + 6423502^2 .

It is not a de Polignac number, because 42104122140125 - 2²⁶ = 42104055031261 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, 168416488436 + ... + 168416488685.

It is an arithmetic number, because the mean of its divisors is an integer number (6568243053879).

Almost surely, 2^{42104122140125} is an apocalyptic number.

It is an amenable number.

42104122140125 is a deficient number, since it is larger than the sum of its proper divisors (10441822290907).

42104122140125 is an equidigital number, since it uses as much as digits as its factorization.

42104122140125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336832977136 (or 336832977126 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 42104122140125 its reverse (52104122140124), we get a palindrome (94208244280249).

Subtracting 42104122140125 from its reverse (52104122140124), we obtain a palindrome (9999999999999).

The spelling of 42104122140125 in words is "forty-two trillion, one hundred four billion, one hundred twenty-two million, one hundred forty thousand, one hundred twenty-five".