1332124421 has 2 divisors, whose sum is σ = 1332124422. Its totient is φ = 1332124420.

The previous prime is 1332124379. The next prime is 1332124439. The reversal of 1332124421 is 1244212331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254930625 + 77193796 = 35425^2 + 8786^2 .

It is an emirp because it is prime and its reverse (1244212331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1332124421 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332120421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666062210 + 666062211.

It is an arithmetic number, because the mean of its divisors is an integer number (666062211).

Almost surely, 2^1332124421 is an apocalyptic number.

It is an amenable number.

1332124421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332124421 is an equidigital number, since it uses as much as digits as its factorization.

1332124421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 1332124421 is about 36498.2796991858. The cubic root of 1332124421 is about 1100.3096706649.

Adding to 1332124421 its reverse (1244212331), we get a palindrome (2576336752).

The spelling of 1332124421 in words is "one billion, three hundred thirty-two million, one hundred twenty-four thousand, four hundred twenty-one".