1421603324 has 6 divisors (see below), whose sum is σ = 2487805824. Its totient is φ = 710801660.

The previous prime is 1421603317. The next prime is 1421603327. The reversal of 1421603324 is 4233061241.

It is a junction number, because it is equal to n+sod(n) for n = 1421603293 and 1421603302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421603327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177700412 + ... + 177700419.

It is an arithmetic number, because the mean of its divisors is an integer number (414634304).

Almost surely, 2^1421603324 is an apocalyptic number.

It is an amenable number.

1421603324 is a deficient number, since it is larger than the sum of its proper divisors (1066202500).

1421603324 is a wasteful number, since it uses less digits than its factorization.

1421603324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355400835 (or 355400833 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1421603324 is about 37704.1552617215. The cubic root of 1421603324 is about 1124.4137387210.

Adding to 1421603324 its reverse (4233061241), we get a palindrome (5654664565).

The spelling of 1421603324 in words is "one billion, four hundred twenty-one million, six hundred three thousand, three hundred twenty-four".