1420098859 has 4 divisors (see below), whose sum is σ = 1503634104. Its totient is φ = 1336563616.

The previous prime is 1420098853. The next prime is 1420098881. The reversal of 1420098859 is 9588900241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420098859 - 2³ = 1420098851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420098851) 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 3 ways as a sum of consecutive naturals, for example, 41767597 + ... + 41767630.

It is an arithmetic number, because the mean of its divisors is an integer number (375908526).

Almost surely, 2^1420098859 is an apocalyptic number.

1420098859 is a deficient number, since it is larger than the sum of its proper divisors (83535245).

1420098859 is an equidigital number, since it uses as much as digits as its factorization.

1420098859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83535244.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 1420098859 is about 37684.1990627372. The cubic root of 1420098859 is about 1124.0169477209.

The spelling of 1420098859 in words is "one billion, four hundred twenty million, ninety-eight thousand, eight hundred fifty-nine".