1420654943 has 8 divisors (see below), whose sum is σ = 1435431888. Its totient is φ = 1405905984.

The previous prime is 1420654933. The next prime is 1420654951. The reversal of 1420654943 is 3494560241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420654943 - 2¹⁶ = 1420589407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420654897 and 1420654906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420654903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104105 + ... + 116957.

It is an arithmetic number, because the mean of its divisors is an integer number (179428986).

Almost surely, 2^1420654943 is an apocalyptic number.

1420654943 is a deficient number, since it is larger than the sum of its proper divisors (14776945).

1420654943 is a wasteful number, since it uses less digits than its factorization.

1420654943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1420654943 is about 37691.5765523280. The cubic root of 1420654943 is about 1124.1636432058.

The spelling of 1420654943 in words is "one billion, four hundred twenty million, six hundred fifty-four thousand, nine hundred forty-three".