1420409195 has 4 divisors (see below), whose sum is σ = 1704491040. Its totient is φ = 1136327352.

The previous prime is 1420409191. The next prime is 1420409227. The reversal of 1420409195 is 5919040241.

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 1420409195 - 2² = 1420409191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420409191) 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, 142040915 + ... + 142040924.

It is an arithmetic number, because the mean of its divisors is an integer number (426122760).

Almost surely, 2^1420409195 is an apocalyptic number.

1420409195 is a deficient number, since it is larger than the sum of its proper divisors (284081845).

1420409195 is an equidigital number, since it uses as much as digits as its factorization.

1420409195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284081844.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1420409195 is about 37688.3164256511. The cubic root of 1420409195 is about 1124.0988193725.

The spelling of 1420409195 in words is "one billion, four hundred twenty million, four hundred nine thousand, one hundred ninety-five".