2126154120 has 32 divisors (see below), whose sum is σ = 6378462720. Its totient is φ = 566974400.

The previous prime is 2126154103. The next prime is 2126154133. The reversal of 2126154120 is 214516212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8858856 + ... + 8859095.

It is an arithmetic number, because the mean of its divisors is an integer number (199326960).

Almost surely, 2^2126154120 is an apocalyptic number.

2126154120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126154120 is an abundant number, since it is smaller than the sum of its proper divisors (4252308600).

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

2126154120 is a wasteful number, since it uses less digits than its factorization.

2126154120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17717965 (or 17717961 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2126154120 is about 46110.2387762198. The cubic root of 2126154120 is about 1285.8735035980.

The spelling of 2126154120 in words is "two billion, one hundred twenty-six million, one hundred fifty-four thousand, one hundred twenty".