1421872283 has 16 divisors (see below), whose sum is σ = 1552908000. Its totient is φ = 1294064640.

The previous prime is 1421872279. The next prime is 1421872303. The reversal of 1421872283 is 3822781241.

It is a cyclic number.

It is not a de Polignac number, because 1421872283 - 2² = 1421872279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421872583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266603 + ... + 271883.

It is an arithmetic number, because the mean of its divisors is an integer number (97056750).

Almost surely, 2^1421872283 is an apocalyptic number.

1421872283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1421872283 is a deficient number, since it is larger than the sum of its proper divisors (131035717).

1421872283 is a wasteful number, since it uses less digits than its factorization.

1421872283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582.

The product of its digits is 43008, while the sum is 38.

The square root of 1421872283 is about 37707.7217954095. The cubic root of 1421872283 is about 1124.4846450748.

The spelling of 1421872283 in words is "one billion, four hundred twenty-one million, eight hundred seventy-two thousand, two hundred eighty-three".