120421759 has 8 divisors (see below), whose sum is σ = 121824000. Its totient is φ = 119024856.

The previous prime is 120421757. The next prime is 120421789. The reversal of 120421759 is 957124021.

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

It is a cyclic number.

It is not a de Polignac number, because 120421759 - 2¹ = 120421757 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 120421759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59242 + ... + 61240.

It is an arithmetic number, because the mean of its divisors is an integer number (15228000).

Almost surely, 2^120421759 is an apocalyptic number.

120421759 is a deficient number, since it is larger than the sum of its proper divisors (1402241).

120421759 is a wasteful number, since it uses less digits than its factorization.

120421759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 120421759 is about 10973.6848414742. The cubic root of 120421759 is about 493.8195987132.

The spelling of 120421759 in words is "one hundred twenty million, four hundred twenty-one thousand, seven hundred fifty-nine".