1420884517 has 8 divisors (see below), whose sum is σ = 1530541656. Its totient is φ = 1311278592.

The previous prime is 1420884503. The next prime is 1420884533. The reversal of 1420884517 is 7154880241.

It can be written as a sum of positive squares in 4 ways, for example, as 3437316 + 1417447201 = 1854^2 + 37649^2 .

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

It is not a de Polignac number, because 1420884517 - 2¹¹ = 1420882469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420884517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420884587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60333 + ... + 80509.

It is an arithmetic number, because the mean of its divisors is an integer number (191317707).

Almost surely, 2^1420884517 is an apocalyptic number.

It is an amenable number.

1420884517 is a deficient number, since it is larger than the sum of its proper divisors (109657139).

1420884517 is a wasteful number, since it uses less digits than its factorization.

1420884517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25607.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 1420884517 is about 37694.6218577664. The cubic root of 1420884517 is about 1124.2241938801.

The spelling of 1420884517 in words is "one billion, four hundred twenty million, eight hundred eighty-four thousand, five hundred seventeen".