1421820327 has 8 divisors (see below), whose sum is σ = 1939848064. Its totient is φ = 925836408.

The previous prime is 1421820317. The next prime is 1421820377. The reversal of 1421820327 is 7230281241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1421820327 - 2²⁷ = 1287602599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421820294 and 1421820303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421820317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5510803 + ... + 5511060.

It is an arithmetic number, because the mean of its divisors is an integer number (242481008).

Almost surely, 2^1421820327 is an apocalyptic number.

1421820327 is a deficient number, since it is larger than the sum of its proper divisors (518027737).

1421820327 is a wasteful number, since it uses less digits than its factorization.

1421820327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021909.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1421820327 is about 37707.0328586061. The cubic root of 1421820327 is about 1124.4709484776.

The spelling of 1421820327 in words is "one billion, four hundred twenty-one million, eight hundred twenty thousand, three hundred twenty-seven".