120871181 has 8 divisors (see below), whose sum is σ = 122762304. Its totient is φ = 118985440.

The previous prime is 120871171. The next prime is 120871189. The reversal of 120871181 is 181178021.

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

It is a cyclic number.

It is not a de Polignac number, because 120871181 - 2¹⁸ = 120609037 is a prime.

It is a super-2 number, since 2×120871181² = 29219684792669522, 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 (120871189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83990 + ... + 85416.

It is an arithmetic number, because the mean of its divisors is an integer number (15345288).

Almost surely, 2^120871181 is an apocalyptic number.

It is an amenable number.

120871181 is a deficient number, since it is larger than the sum of its proper divisors (1891123).

120871181 is a wasteful number, since it uses less digits than its factorization.

120871181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691.

The product of its (nonzero) digits is 896, while the sum is 29.

The square root of 120871181 is about 10994.1430316328. The cubic root of 120871181 is about 494.4331585729.

The spelling of 120871181 in words is "one hundred twenty million, eight hundred seventy-one thousand, one hundred eighty-one".