120438243 has 6 divisors (see below), whose sum is σ = 173966364. Its totient is φ = 80292156.

The previous prime is 120438239. The next prime is 120438277. The reversal of 120438243 is 342834021.

It is not a de Polignac number, because 120438243 - 2² = 120438239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120438233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6691005 + ... + 6691022.

It is an arithmetic number, because the mean of its divisors is an integer number (28994394).

Almost surely, 2^120438243 is an apocalyptic number.

120438243 is a deficient number, since it is larger than the sum of its proper divisors (53528121).

120438243 is a wasteful number, since it uses less digits than its factorization.

120438243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382033 (or 13382030 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 120438243 is about 10974.4358852745. The cubic root of 120438243 is about 493.8421299427.

The spelling of 120438243 in words is "one hundred twenty million, four hundred thirty-eight thousand, two hundred forty-three".