120885869 has 6 divisors (see below), whose sum is σ = 130900266. Its totient is φ = 111586800.

The previous prime is 120885851. The next prime is 120885881. The reversal of 120885869 is 968588021.

It can be written as a sum of positive squares in 3 ways, for example, as 1857769 + 119028100 = 1363^2 + 10910^2 .

It is not a de Polignac number, because 120885869 - 2¹⁶ = 120820333 is a prime.

It is a super-2 number, since 2×120885869² = 29226786647770322, 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 (120885829) 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, 357482 + ... + 357819.

It is an arithmetic number, because the mean of its divisors is an integer number (21816711).

Almost surely, 2^120885869 is an apocalyptic number.

It is an amenable number.

120885869 is a deficient number, since it is larger than the sum of its proper divisors (10014397).

120885869 is an equidigital number, since it uses as much as digits as its factorization.

120885869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715327 (or 715314 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 120885869 is about 10994.8110033779. The cubic root of 120885869 is about 494.4531852383.

The spelling of 120885869 in words is "one hundred twenty million, eight hundred eighty-five thousand, eight hundred sixty-nine".