1420071969 has 8 divisors (see below), whose sum is σ = 1893668832. Its totient is φ = 946594880.

The previous prime is 1420071953. The next prime is 1420071979. The reversal of 1420071969 is 9691700241.

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 1420071969 - 2⁴ = 1420071953 is a prime.

It is a super-2 number, since 2×1420071969² = 4033208794279073922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420071929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2857 + ... + 53369.

It is an arithmetic number, because the mean of its divisors is an integer number (236708604).

Almost surely, 2^1420071969 is an apocalyptic number.

It is an amenable number.

1420071969 is a deficient number, since it is larger than the sum of its proper divisors (473596863).

1420071969 is an equidigital number, since it uses as much as digits as its factorization.

1420071969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59887.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1420071969 is about 37683.8422802134. The cubic root of 1420071969 is about 1124.0098531429.

The spelling of 1420071969 in words is "one billion, four hundred twenty million, seventy-one thousand, nine hundred sixty-nine".