141421417 has 2 divisors, whose sum is σ = 141421418. Its totient is φ = 141421416.

The previous prime is 141421409. The next prime is 141421463. The reversal of 141421417 is 714124141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123409881 + 18011536 = 11109^2 + 4244^2 .

It is a cyclic number.

It is not a de Polignac number, because 141421417 - 2³ = 141421409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141421391 and 141421400.

It is not a weakly prime, because it can be changed into another prime (141421477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70710708 + 70710709.

It is an arithmetic number, because the mean of its divisors is an integer number (70710709).

Almost surely, 2^141421417 is an apocalyptic number.

It is an amenable number.

141421417 is a deficient number, since it is larger than the sum of its proper divisors (1).

141421417 is an equidigital number, since it uses as much as digits as its factorization.

141421417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 25.

The square root of 141421417 is about 11892.0737047834. The cubic root of 141421417 is about 521.0008055759. Note that the first 3 decimals are identical.

Adding to 141421417 its reverse (714124141), we get a palindrome (855545558).

The spelling of 141421417 in words is "one hundred forty-one million, four hundred twenty-one thousand, four hundred seventeen".