2021124232 has 8 divisors (see below), whose sum is σ = 3789607950. Its totient is φ = 1010562112.

The previous prime is 2021124191. The next prime is 2021124239. The reversal of 2021124232 is 2324211202.

It can be written as a sum of positive squares in only one way, i.e., 1601120196 + 420004036 = 40014^2 + 20494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2021124232² = 8169886322355179648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021124239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126320257 + ... + 126320272.

Almost surely, 2^2021124232 is an apocalyptic number.

It is an amenable number.

2021124232 is a deficient number, since it is larger than the sum of its proper divisors (1768483718).

2021124232 is a wasteful number, since it uses less digits than its factorization.

2021124232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252640535 (or 252640531 counting only the distinct ones).

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

The square root of 2021124232 is about 44956.9152856376. The cubic root of 2021124232 is about 1264.3413344711.

Adding to 2021124232 its reverse (2324211202), we get a palindrome (4345335434).

It can be divided in two parts, 2021 and 124232, that added together give a triangular number (126253 = T₅₀₂).

The spelling of 2021124232 in words is "two billion, twenty-one million, one hundred twenty-four thousand, two hundred thirty-two".