1421003404 has 6 divisors (see below), whose sum is σ = 2486755964. Its totient is φ = 710501700.

The previous prime is 1421003399. The next prime is 1421003447. The reversal of 1421003404 is 4043001241.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177625422 + ... + 177625429.

Almost surely, 2^1421003404 is an apocalyptic number.

It is an amenable number.

1421003404 is a deficient number, since it is larger than the sum of its proper divisors (1065752560).

1421003404 is a wasteful number, since it uses less digits than its factorization.

1421003404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355250855 (or 355250853 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1421003404 is about 37696.1988004096. The cubic root of 1421003404 is about 1124.2555480384.

Adding to 1421003404 its reverse (4043001241), we get a palindrome (5464004645).

The spelling of 1421003404 in words is "one billion, four hundred twenty-one million, three thousand, four hundred four".