1427421041 has 2 divisors, whose sum is σ = 1427421042. Its totient is φ = 1427421040.

The previous prime is 1427421011. The next prime is 1427421091. The reversal of 1427421041 is 1401247241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725171041 + 702250000 = 26929^2 + 26500^2 .

It is an emirp because it is prime and its reverse (1401247241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427421041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1427421041.

It is not a weakly prime, because it can be changed into another prime (1427421011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713710520 + 713710521.

It is an arithmetic number, because the mean of its divisors is an integer number (713710521).

Almost surely, 2^1427421041 is an apocalyptic number.

It is an amenable number.

1427421041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427421041 is an equidigital number, since it uses as much as digits as its factorization.

1427421041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1427421041 is about 37781.2260388675. The cubic root of 1427421041 is about 1125.9454875614.

Adding to 1427421041 its reverse (1401247241), we get a palindrome (2828668282).

The spelling of 1427421041 in words is "one billion, four hundred twenty-seven million, four hundred twenty-one thousand, forty-one".