1021123332 has 36 divisors (see below), whose sum is σ = 2606738316. Its totient is φ = 337003200.

The previous prime is 1021123211. The next prime is 1021123333. The reversal of 1021123332 is 2333211201.

1021123332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 903964356 + 117158976 = 30066^2 + 10824^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1021123333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136783 + ... + 144054.

Almost surely, 2^1021123332 is an apocalyptic number.

1021123332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021123332 is an abundant number, since it is smaller than the sum of its proper divisors (1585614984).

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

1021123332 is a wasteful number, since it uses less digits than its factorization.

1021123332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280948 (or 280943 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1021123332 is about 31955.0204506272. The cubic root of 1021123332 is about 1006.9921071571.

Adding to 1021123332 its reverse (2333211201), we get a palindrome (3354334533).

The spelling of 1021123332 in words is "one billion, twenty-one million, one hundred twenty-three thousand, three hundred thirty-two".