120824869 has 16 divisors (see below), whose sum is σ = 135979200. Its totient is φ = 106392960.

The previous prime is 120824863. The next prime is 120824897. The reversal of 120824869 is 968428021.

It is a cyclic number.

It is not a de Polignac number, because 120824869 - 2⁷ = 120824741 is a prime.

It is a super-2 number, since 2×120824869² = 29197297937734322, 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 (120824863) 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 15 ways as a sum of consecutive naturals, for example, 114657 + ... + 115705.

It is an arithmetic number, because the mean of its divisors is an integer number (8498700).

Almost surely, 2^120824869 is an apocalyptic number.

It is an amenable number.

120824869 is a deficient number, since it is larger than the sum of its proper divisors (15154331).

120824869 is a wasteful number, since it uses less digits than its factorization.

120824869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 120824869 is about 10992.0366174790. The cubic root of 120824869 is about 494.3700028690.

The spelling of 120824869 in words is "one hundred twenty million, eight hundred twenty-four thousand, eight hundred sixty-nine".