120671111121604 has 48 divisors (see below), whose sum is σ = 223718456908800. Its totient is φ = 56755428903936.

The previous prime is 120671111121571. The next prime is 120671111121637. The reversal of 120671111121604 is 406121111176021.

It is an interprime number because it is at equal distance from previous prime (120671111121571) and next prime (120671111121637).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 120671111121604.

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, 2507740257 + ... + 2507788375.

It is an arithmetic number, because the mean of its divisors is an integer number (4660801185600).

Almost surely, 2^{120671111121604} is an apocalyptic number.

It is an amenable number.

120671111121604 is a deficient number, since it is larger than the sum of its proper divisors (103047345787196).

120671111121604 is a wasteful number, since it uses less digits than its factorization.

120671111121604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67492 (or 67490 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 34.

Adding to 120671111121604 its reverse (406121111176021), we get a palindrome (526792222297625).

The spelling of 120671111121604 in words is "one hundred twenty trillion, six hundred seventy-one billion, one hundred eleven million, one hundred twenty-one thousand, six hundred four".