1332011421 has 24 divisors (see below), whose sum is σ = 2193904440. Its totient is φ = 771480576.

The previous prime is 1332011419. The next prime is 1332011437. The reversal of 1332011421 is 1241102331.

It can be written as a sum of positive squares in 4 ways, for example, as 783225 + 1331228196 = 885^2 + 36486^2 .

It is not a de Polignac number, because 1332011421 - 2¹ = 1332011419 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1332011394 and 1332011403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332011521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332856 + ... + 336833.

It is an arithmetic number, because the mean of its divisors is an integer number (91412685).

Almost surely, 2^1332011421 is an apocalyptic number.

It is an amenable number.

1332011421 is a deficient number, since it is larger than the sum of its proper divisors (861893019).

1332011421 is a wasteful number, since it uses less digits than its factorization.

1332011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669725 (or 669722 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1332011421 is about 36496.7316481901. The cubic root of 1332011421 is about 1100.2785578283.

Adding to 1332011421 its reverse (1241102331), we get a palindrome (2573113752).

The spelling of 1332011421 in words is "one billion, three hundred thirty-two million, eleven thousand, four hundred twenty-one".