1414242421 has 4 divisors (see below), whose sum is σ = 1414439532. Its totient is φ = 1414045312.

The previous prime is 1414242419. The next prime is 1414242457. The reversal of 1414242421 is 1242424141.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 388641796 + 1025600625 = 19714^2 + 32025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1414242421 - 2¹ = 1414242419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1414242491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87370 + ... + 102283.

It is an arithmetic number, because the mean of its divisors is an integer number (353609883).

Almost surely, 2^1414242421 is an apocalyptic number.

It is an amenable number.

1414242421 is a deficient number, since it is larger than the sum of its proper divisors (197111).

1414242421 is an equidigital number, since it uses as much as digits as its factorization.

1414242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197110.

The product of its digits is 2048, while the sum is 25.

The square root of 1414242421 is about 37606.4146256992. The cubic root of 1414242421 is about 1122.4696832932.

Adding to 1414242421 its reverse (1242424141), we get a palindrome (2656666562).

The spelling of 1414242421 in words is "one billion, four hundred fourteen million, two hundred forty-two thousand, four hundred twenty-one".