1421348873 has 8 divisors (see below), whose sum is σ = 1625721792. Its totient is φ = 1217306736.

The previous prime is 1421348849. The next prime is 1421348891. The reversal of 1421348873 is 3788431241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421348873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421348873.

It is not an unprimeable number, because it can be changed into a prime (1421348843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73415 + ... + 90732.

It is an arithmetic number, because the mean of its divisors is an integer number (203215224).

Almost surely, 2^1421348873 is an apocalyptic number.

It is an amenable number.

1421348873 is a deficient number, since it is larger than the sum of its proper divisors (204372919).

1421348873 is a wasteful number, since it uses less digits than its factorization.

1421348873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165391.

The product of its digits is 129024, while the sum is 41.

The square root of 1421348873 is about 37700.7808009330. The cubic root of 1421348873 is about 1124.3466489154.

The spelling of 1421348873 in words is "one billion, four hundred twenty-one million, three hundred forty-eight thousand, eight hundred seventy-three".