2881457121 has 8 divisors (see below), whose sum is σ = 3842210464. Its totient is φ = 1920837600.

The previous prime is 2881457119. The next prime is 2881457123. The reversal of 2881457121 is 1217541882.

It is an interprime number because it is at equal distance from previous prime (2881457119) and next prime (2881457123).

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

It is not a de Polignac number, because 2881457121 - 2¹ = 2881457119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2881457121.

It is not an unprimeable number, because it can be changed into a prime (2881457123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39546 + ... + 85596.

It is an arithmetic number, because the mean of its divisors is an integer number (480276308).

Almost surely, 2^2881457121 is an apocalyptic number.

It is an amenable number.

2881457121 is a deficient number, since it is larger than the sum of its proper divisors (960753343).

2881457121 is a wasteful number, since it uses less digits than its factorization.

2881457121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66911.

The product of its digits is 35840, while the sum is 39.

The square root of 2881457121 is about 53679.2056666266. The cubic root of 2881457121 is about 1422.9972268933.

The spelling of 2881457121 in words is "two billion, eight hundred eighty-one million, four hundred fifty-seven thousand, one hundred twenty-one".