120723641 has 8 divisors (see below), whose sum is σ = 124748544. Its totient is φ = 116706960.

The previous prime is 120723601. The next prime is 120723649. The reversal of 120723641 is 146327021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120723641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120723641.

It is not an unprimeable number, because it can be changed into a prime (120723649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45935 + ... + 48491.

It is an arithmetic number, because the mean of its divisors is an integer number (15593568).

Almost surely, 2^120723641 is an apocalyptic number.

It is an amenable number.

120723641 is a deficient number, since it is larger than the sum of its proper divisors (4024903).

120723641 is a wasteful number, since it uses less digits than its factorization.

120723641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 120723641 is about 10987.4310464275. The cubic root of 120723641 is about 494.2319019704.

The spelling of 120723641 in words is "one hundred twenty million, seven hundred twenty-three thousand, six hundred forty-one".