1420321404 has 24 divisors (see below), whose sum is σ = 3321749200. Its totient is φ = 472345344.

The previous prime is 1420321387. The next prime is 1420321411. The reversal of 1420321404 is 4041230241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131479 + ... + 141870.

Almost surely, 2^1420321404 is an apocalyptic number.

It is an amenable number.

1420321404 is an abundant number, since it is smaller than the sum of its proper divisors (1901427796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420321404 is a wasteful number, since it uses less digits than its factorization.

1420321404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273789 (or 273787 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420321404 is about 37687.1517098334. The cubic root of 1420321404 is about 1124.0756598977.

Adding to 1420321404 its reverse (4041230241), we get a palindrome (5461551645).

The spelling of 1420321404 in words is "one billion, four hundred twenty million, three hundred twenty-one thousand, four hundred four".