2124506881 has 16 divisors (see below), whose sum is σ = 2633541120. Its totient is φ = 1672081920.

The previous prime is 2124506837. The next prime is 2124506957. The reversal of 2124506881 is 1886054212.

It is not a de Polignac number, because 2124506881 - 2⁹ = 2124506369 is a prime.

It is a super-2 number, since 2×2124506881² = 9027058974832696322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2124506881.

It is not an unprimeable number, because it can be changed into a prime (2124506081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212841 + ... + 222598.

It is an arithmetic number, because the mean of its divisors is an integer number (164596320).

Almost surely, 2^2124506881 is an apocalyptic number.

It is an amenable number.

2124506881 is a deficient number, since it is larger than the sum of its proper divisors (509034239).

2124506881 is a wasteful number, since it uses less digits than its factorization.

2124506881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435504.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2124506881 is about 46092.3733496118. The cubic root of 2124506881 is about 1285.5413407489.

The spelling of 2124506881 in words is "two billion, one hundred twenty-four million, five hundred six thousand, eight hundred eighty-one".