120456340555142 has 16 divisors (see below), whose sum is σ = 181767271311360. Its totient is φ = 59867253361608.

The previous prime is 120456340555079. The next prime is 120456340555241. The reversal of 120456340555142 is 241555043654021.

It is a happy 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, 88181909 + ... + 89537487.

It is an arithmetic number, because the mean of its divisors is an integer number (11360454456960).

Almost surely, 2^{120456340555142} is an apocalyptic number.

120456340555142 is a deficient number, since it is larger than the sum of its proper divisors (61310930756218).

120456340555142 is a wasteful number, since it uses less digits than its factorization.

120456340555142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621795.

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 120456340555142 in words is "one hundred twenty trillion, four hundred fifty-six billion, three hundred forty million, five hundred fifty-five thousand, one hundred forty-two".