1421443130 has 32 divisors (see below), whose sum is σ = 2580355008. Its totient is φ = 563760000.

The previous prime is 1421443087. The next prime is 1421443139. The reversal of 1421443130 is 313441241.

It is a junction number, because it is equal to n+sod(n) for n = 1421443096 and 1421443105.

It is not an unprimeable number, because it can be changed into a prime (1421443139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978905 + ... + 980355.

It is an arithmetic number, because the mean of its divisors is an integer number (80636094).

Almost surely, 2^1421443130 is an apocalyptic number.

1421443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421443130 is a deficient number, since it is larger than the sum of its proper divisors (1158911878).

1421443130 is a wasteful number, since it uses less digits than its factorization.

1421443130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1421443130 is about 37702.0308471573. The cubic root of 1421443130 is about 1124.3715021145.

Adding to 1421443130 its reverse (313441241), we get a palindrome (1734884371).

The spelling of 1421443130 in words is "one billion, four hundred twenty-one million, four hundred forty-three thousand, one hundred thirty".