120453839 has 4 divisors (see below), whose sum is σ = 131404200. Its totient is φ = 109503480.

The previous prime is 120453821. The next prime is 120453841. The reversal of 120453839 is 938354021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120453839 - 2²⁴ = 103676623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120453799 and 120453808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120453899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5475164 + ... + 5475185.

It is an arithmetic number, because the mean of its divisors is an integer number (32851050).

Almost surely, 2^120453839 is an apocalyptic number.

120453839 is a deficient number, since it is larger than the sum of its proper divisors (10950361).

120453839 is a wasteful number, since it uses less digits than its factorization.

120453839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10950360.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 120453839 is about 10975.1464227135. The cubic root of 120453839 is about 493.8634455128.

The spelling of 120453839 in words is "one hundred twenty million, four hundred fifty-three thousand, eight hundred thirty-nine".