1421380530 has 48 divisors (see below), whose sum is σ = 3795479064. Its totient is φ = 368789760.

The previous prime is 1421380507. The next prime is 1421380549. The reversal of 1421380530 is 350831241.

It is a happy number.

1421380530 is a `hidden beast` number, since 1 + 42 + 13 + 80 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1421365401 + 15129 = 37701^2 + 123^2 .

It is a super-2 number, since 2×1421380530² = 4040645222126161800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421380494 and 1421380503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210091 + ... + 216750.

Almost surely, 2^1421380530 is an apocalyptic number.

1421380530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421380530 is an abundant number, since it is smaller than the sum of its proper divisors (2374098534).

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

1421380530 is a wasteful number, since it uses less digits than its factorization.

1421380530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426891 (or 426888 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1421380530 is about 37701.2006440113. The cubic root of 1421380530 is about 1124.3549961922.

The spelling of 1421380530 in words is "one billion, four hundred twenty-one million, three hundred eighty thousand, five hundred thirty".