1421301404 has 12 divisors (see below), whose sum is σ = 2496258744. Its totient is φ = 708084624.

The previous prime is 1421301389. The next prime is 1421301443. The reversal of 1421301404 is 4041031241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640274 + ... + 642489.

It is an arithmetic number, because the mean of its divisors is an integer number (208021562).

Almost surely, 2^1421301404 is an apocalyptic number.

It is an amenable number.

1421301404 is a deficient number, since it is larger than the sum of its proper divisors (1074957340).

1421301404 is a wasteful number, since it uses less digits than its factorization.

1421301404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283044 (or 1283042 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1421301404 is about 37700.1512463810. The cubic root of 1421301404 is about 1124.3341321185.

Adding to 1421301404 its reverse (4041031241), we get a palindrome (5462332645).

The spelling of 1421301404 in words is "one billion, four hundred twenty-one million, three hundred one thousand, four hundred four".