1421304001 has 4 divisors (see below), whose sum is σ = 1530635092. Its totient is φ = 1311972912.

The previous prime is 1421303993. The next prime is 1421304011. The reversal of 1421304001 is 1004031241.

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 606144400 + 815159601 = 24620^2 + 28551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421304001 - 2³ = 1421303993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421304011) 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, 54665526 + ... + 54665551.

It is an arithmetic number, because the mean of its divisors is an integer number (382658773).

Almost surely, 2^1421304001 is an apocalyptic number.

It is an amenable number.

1421304001 is a deficient number, since it is larger than the sum of its proper divisors (109331091).

1421304001 is a wasteful number, since it uses less digits than its factorization.

1421304001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109331090.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1421304001 is about 37700.1856891979. The cubic root of 1421304001 is about 1124.3348169121.

Adding to 1421304001 its reverse (1004031241), we get a palindrome (2425335242).

The spelling of 1421304001 in words is "one billion, four hundred twenty-one million, three hundred four thousand, one".