120645444742 has 8 divisors (see below), whose sum is σ = 181979163000. Its totient is φ = 59985723744.

The previous prime is 120645444701. The next prime is 120645444763. The reversal of 120645444742 is 247444546021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168498867 + ... + 168499582.

It is an arithmetic number, because the mean of its divisors is an integer number (22747395375).

Almost surely, 2^120645444742 is an apocalyptic number.

120645444742 is a deficient number, since it is larger than the sum of its proper divisors (61333718258).

120645444742 is a wasteful number, since it uses less digits than its factorization.

120645444742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336998630.

The product of its (nonzero) digits is 860160, while the sum is 43.

The spelling of 120645444742 in words is "one hundred twenty billion, six hundred forty-five million, four hundred forty-four thousand, seven hundred forty-two".