1420314561 has 32 divisors (see below), whose sum is σ = 2200504320. Its totient is φ = 903708432.

The previous prime is 1420314557. The next prime is 1420314583. The reversal of 1420314561 is 1654130241.

It is a happy number.

1420314561 is a `hidden beast` number, since 1 + 4 + 203 + 1 + 456 + 1 = 666.

It is not a de Polignac number, because 1420314561 - 2² = 1420314557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420314361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310090 + ... + 314636.

It is an arithmetic number, because the mean of its divisors is an integer number (68765760).

Almost surely, 2^1420314561 is an apocalyptic number.

It is an amenable number.

1420314561 is a deficient number, since it is larger than the sum of its proper divisors (780189759).

1420314561 is a wasteful number, since it uses less digits than its factorization.

1420314561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1420314561 is about 37687.0609228154. The cubic root of 1420314561 is about 1124.0738546579.

The spelling of 1420314561 in words is "one billion, four hundred twenty million, three hundred fourteen thousand, five hundred sixty-one".