120122871 has 12 divisors (see below), whose sum is σ = 176048376. Its totient is φ = 72801520.

The previous prime is 120122837. The next prime is 120122881. The reversal of 120122871 is 178221021.

It is not a de Polignac number, because 120122871 - 2²² = 115928567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165096 + ... + 165821.

It is an arithmetic number, because the mean of its divisors is an integer number (14670698).

Almost surely, 2^120122871 is an apocalyptic number.

120122871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120122871 is a deficient number, since it is larger than the sum of its proper divisors (55925505).

120122871 is a wasteful number, since it uses less digits than its factorization.

120122871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330942 (or 330931 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 120122871 is about 10960.0579834233. The cubic root of 120122871 is about 493.4107051868.

Adding to 120122871 its reverse (178221021), we get a palindrome (298343892).

The spelling of 120122871 in words is "one hundred twenty million, one hundred twenty-two thousand, eight hundred seventy-one".