120440343 has 8 divisors (see below), whose sum is σ = 160664688. Its totient is φ = 80254784.

The previous prime is 120440321. The next prime is 120440347. The reversal of 120440343 is 343044021.

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 120440343 - 2⁵ = 120440311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120440347) 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, 1446 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (20083086).

Almost surely, 2^120440343 is an apocalyptic number.

120440343 is a deficient number, since it is larger than the sum of its proper divisors (40224345).

120440343 is a wasteful number, since it uses less digits than its factorization.

120440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19393.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 120440343 is about 10974.5315617570. The cubic root of 120440343 is about 493.8450001895.

Adding to 120440343 its reverse (343044021), we get a palindrome (463484364).

The spelling of 120440343 in words is "one hundred twenty million, four hundred forty thousand, three hundred forty-three".