1424141981 has 2 divisors, whose sum is σ = 1424141982. Its totient is φ = 1424141980.

The previous prime is 1424141977. The next prime is 1424141987. The reversal of 1424141981 is 1891414241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888636100 + 535505881 = 29810^2 + 23141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424141981 - 2² = 1424141977 is a prime.

It is a super-3 number, since 3×1424141981³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424141987) 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 as a sum of consecutive naturals, namely, 712070990 + 712070991.

It is an arithmetic number, because the mean of its divisors is an integer number (712070991).

Almost surely, 2^1424141981 is an apocalyptic number.

It is an amenable number.

1424141981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424141981 is an equidigital number, since it uses as much as digits as its factorization.

1424141981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 35.

The square root of 1424141981 is about 37737.8057258235. The cubic root of 1424141981 is about 1125.0826555896.

The spelling of 1424141981 in words is "one billion, four hundred twenty-four million, one hundred forty-one thousand, nine hundred eighty-one".