1420004411 has 4 divisors (see below), whose sum is σ = 1622862192. Its totient is φ = 1217146632.

The previous prime is 1420004371. The next prime is 1420004449. The reversal of 1420004411 is 1144000241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420004411 - 2⁶ = 1420004347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420004411.

It is not an unprimeable number, because it can be changed into a prime (1420004491) 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, 101428880 + ... + 101428893.

It is an arithmetic number, because the mean of its divisors is an integer number (405715548).

Almost surely, 2^1420004411 is an apocalyptic number.

1420004411 is a deficient number, since it is larger than the sum of its proper divisors (202857781).

1420004411 is an equidigital number, since it uses as much as digits as its factorization.

1420004411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202857780.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1420004411 is about 37682.9458906811. The cubic root of 1420004411 is about 1123.9920284449.

Adding to 1420004411 its reverse (1144000241), we get a palindrome (2564004652).

The spelling of 1420004411 in words is "one billion, four hundred twenty million, four thousand, four hundred eleven".