120735871 has 4 divisors (see below), whose sum is σ = 120864312. Its totient is φ = 120607432.

The previous prime is 120735863. The next prime is 120735883. The reversal of 120735871 is 178537021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120735871 - 2³ = 120735863 is a prime.

It is a super-2 number, since 2×120735871² = 29154301092257282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120735821) 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, 62800 + ... + 64693.

It is an arithmetic number, because the mean of its divisors is an integer number (30216078).

Almost surely, 2^120735871 is an apocalyptic number.

120735871 is a deficient number, since it is larger than the sum of its proper divisors (128441).

120735871 is an equidigital number, since it uses as much as digits as its factorization.

120735871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128440.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 120735871 is about 10987.9875773501. The cubic root of 120735871 is about 494.2485909194.

The spelling of 120735871 in words is "one hundred twenty million, seven hundred thirty-five thousand, eight hundred seventy-one".