1426020565 has 8 divisors (see below), whose sum is σ = 1727218080. Its totient is φ = 1130154192.

The previous prime is 1426020559. The next prime is 1426020569. The reversal of 1426020565 is 5650206241.

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 1426020565 - 2⁷ = 1426020437 is a prime.

It is a super-3 number, since 3×1426020565³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426020569) 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, 1332195 + ... + 1333264.

It is an arithmetic number, because the mean of its divisors is an integer number (215902260).

Almost surely, 2^1426020565 is an apocalyptic number.

It is an amenable number.

1426020565 is a deficient number, since it is larger than the sum of its proper divisors (301197515).

1426020565 is a wasteful number, since it uses less digits than its factorization.

1426020565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665571.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1426020565 is about 37762.6874705707. The cubic root of 1426020565 is about 1125.5771366295.

The spelling of 1426020565 in words is "one billion, four hundred twenty-six million, twenty thousand, five hundred sixty-five".