2102124430 has 32 divisors (see below), whose sum is σ = 4379120640. Its totient is φ = 711603360.

The previous prime is 2102124419. The next prime is 2102124449. The reversal of 2102124430 is 344212012.

It is a junction number, because it is equal to n+sod(n) for n = 2102124398 and 2102124407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184536 + ... + 195595.

It is an arithmetic number, because the mean of its divisors is an integer number (136847520).

Almost surely, 2^2102124430 is an apocalyptic number.

2102124430 is an abundant number, since it is smaller than the sum of its proper divisors (2276996210).

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

2102124430 is a wasteful number, since it uses less digits than its factorization.

2102124430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380224.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2102124430 is about 45848.9305218780. The cubic root of 2102124430 is about 1281.0108449760.

Adding to 2102124430 its reverse (344212012), we get a palindrome (2446336442).

It can be divided in two parts, 21021 and 24430, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 2102124430 in words is "two billion, one hundred two million, one hundred twenty-four thousand, four hundred thirty".