1421134303 has 4 divisors (see below), whose sum is σ = 1434416040. Its totient is φ = 1407852568.

The previous prime is 1421134283. The next prime is 1421134307. The reversal of 1421134303 is 3034311241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421134303 - 2¹³ = 1421126111 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 (1421134307) 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, 6640708 + ... + 6640921.

It is an arithmetic number, because the mean of its divisors is an integer number (358604010).

Almost surely, 2^1421134303 is an apocalyptic number.

1421134303 is a deficient number, since it is larger than the sum of its proper divisors (13281737).

1421134303 is a wasteful number, since it uses less digits than its factorization.

1421134303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281736.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1421134303 is about 37697.9349964955. The cubic root of 1421134303 is about 1124.2900681078.

Adding to 1421134303 its reverse (3034311241), we get a palindrome (4455445544).

The spelling of 1421134303 in words is "one billion, four hundred twenty-one million, one hundred thirty-four thousand, three hundred three".