120605143 has 4 divisors (see below), whose sum is σ = 120670488. Its totient is φ = 120539800.

The previous prime is 120605137. The next prime is 120605197. The reversal of 120605143 is 341506021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341506021 = 1217 ⋅280613.

It is a cyclic number.

It is not a de Polignac number, because 120605143 - 2¹³ = 120596951 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 (120605743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29821 + ... + 33622.

It is an arithmetic number, because the mean of its divisors is an integer number (30167622).

Almost surely, 2^120605143 is an apocalyptic number.

120605143 is a deficient number, since it is larger than the sum of its proper divisors (65345).

120605143 is an equidigital number, since it uses as much as digits as its factorization.

120605143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65344.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 120605143 is about 10982.0372882266. The cubic root of 120605143 is about 494.0701422581.

The spelling of 120605143 in words is "one hundred twenty million, six hundred five thousand, one hundred forty-three".