1420456361 has 2 divisors, whose sum is σ = 1420456362. Its totient is φ = 1420456360.

The previous prime is 1420456343. The next prime is 1420456393. The reversal of 1420456361 is 1636540241.

It is an a-pointer prime, because the next prime (1420456393) can be obtained adding 1420456361 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748350736 + 672105625 = 27356^2 + 25925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420456361 - 2²⁶ = 1353347497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420456061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710228180 + 710228181.

It is an arithmetic number, because the mean of its divisors is an integer number (710228181).

Almost surely, 2^1420456361 is an apocalyptic number.

It is an amenable number.

1420456361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420456361 is an equidigital number, since it uses as much as digits as its factorization.

1420456361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1420456361 is about 37688.9421581450. The cubic root of 1420456361 is about 1124.1112614815. Note that the first 3 decimals are identical.

The spelling of 1420456361 in words is "one billion, four hundred twenty million, four hundred fifty-six thousand, three hundred sixty-one".