120243397 has 8 divisors (see below), whose sum is σ = 127619712. Its totient is φ = 112900800.

The previous prime is 120243373. The next prime is 120243407. The reversal of 120243397 is 793342021.

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 120243397 - 2¹⁹ = 119719109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120247397) 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, 879 + ... + 15532.

It is an arithmetic number, because the mean of its divisors is an integer number (15952464).

Almost surely, 2^120243397 is an apocalyptic number.

120243397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

120243397 is a deficient number, since it is larger than the sum of its proper divisors (7376315).

120243397 is a wasteful number, since it uses less digits than its factorization.

120243397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16859.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 120243397 is about 10965.5550247126. Note that the first 3 decimals coincide. The cubic root of 120243397 is about 493.5756722181.

The spelling of 120243397 in words is "one hundred twenty million, two hundred forty-three thousand, three hundred ninety-seven".