120843969 has 8 divisors (see below), whose sum is σ = 161494080. Its totient is φ = 80378256.

The previous prime is 120843967. The next prime is 120843991. The reversal of 120843969 is 969348021.

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

It is not a de Polignac number, because 120843969 - 2¹ = 120843967 is a prime.

It is a super-2 number, since 2×120843969² = 29206529687345922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120843969.

It is not an unprimeable number, because it can be changed into a prime (120843967) 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, 44562 + ... + 47195.

It is an arithmetic number, because the mean of its divisors is an integer number (20186760).

Almost surely, 2^120843969 is an apocalyptic number.

It is an amenable number.

120843969 is a deficient number, since it is larger than the sum of its proper divisors (40650111).

120843969 is an equidigital number, since it uses as much as digits as its factorization.

120843969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92199.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 120843969 is about 10992.9053939348. The cubic root of 120843969 is about 494.3960515062.

The spelling of 120843969 in words is "one hundred twenty million, eight hundred forty-three thousand, nine hundred sixty-nine".