2858867121 has 12 divisors (see below), whose sum is σ = 4189855376. Its totient is φ = 1732646520.

The previous prime is 2858867111. The next prime is 2858867131. The reversal of 2858867121 is 1217688582.

It is an interprime number because it is at equal distance from previous prime (2858867111) and next prime (2858867131).

It is not a de Polignac number, because 2858867121 - 2⁷ = 2858866993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2858867111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3937471 + ... + 3938196.

Almost surely, 2^2858867121 is an apocalyptic number.

It is an amenable number.

2858867121 is a deficient number, since it is larger than the sum of its proper divisors (1330988255).

2858867121 is a wasteful number, since it uses less digits than its factorization.

2858867121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875692 (or 7875681 counting only the distinct ones).

The product of its digits is 430080, while the sum is 48.

The square root of 2858867121 is about 53468.3749612797. The cubic root of 2858867121 is about 1419.2688031123.

The spelling of 2858867121 in words is "two billion, eight hundred fifty-eight million, eight hundred sixty-seven thousand, one hundred twenty-one".