2124151520 has 24 divisors (see below), whose sum is σ = 5018308344. Its totient is φ = 849660544.

The previous prime is 2124151483. The next prime is 2124151529. The reversal of 2124151520 is 251514212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124151529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6637814 + ... + 6638133.

It is an arithmetic number, because the mean of its divisors is an integer number (209096181).

Almost surely, 2^2124151520 is an apocalyptic number.

2124151520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124151520 is an abundant number, since it is smaller than the sum of its proper divisors (2894156824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2124151520 is a wasteful number, since it uses less digits than its factorization.

2124151520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275962 (or 13275954 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2124151520 is about 46088.5183098784. The cubic root of 2124151520 is about 1285.4696603143.

Adding to 2124151520 its reverse (251514212), we get a palindrome (2375665732).

The spelling of 2124151520 in words is "two billion, one hundred twenty-four million, one hundred fifty-one thousand, five hundred twenty".