1420660546 has 8 divisors (see below), whose sum is σ = 2152090044. Its totient is φ = 703297200.

The previous prime is 1420660541. The next prime is 1420660559. The reversal of 1420660546 is 6450660241.

It can be written as a sum of positive squares in 2 ways, for example, as 963171225 + 457489321 = 31035^2 + 21389^2 .

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

It is a super-2 number, since 2×1420660546² = 4036552773922036232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420660541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3516285 + ... + 3516688.

Almost surely, 2^1420660546 is an apocalyptic number.

1420660546 is a deficient number, since it is larger than the sum of its proper divisors (731429498).

1420660546 is a wasteful number, since it uses less digits than its factorization.

1420660546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033076.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1420660546 is about 37691.6508792067. The cubic root of 1420660546 is about 1124.1651210877.

The spelling of 1420660546 in words is "one billion, four hundred twenty million, six hundred sixty thousand, five hundred forty-six".