1214020411 has 4 divisors (see below), whose sum is σ = 1214341792. Its totient is φ = 1213699032.

The previous prime is 1214020399. The next prime is 1214020421. The reversal of 1214020411 is 1140204121.

It is a happy number.

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 1214020411 - 2¹¹ = 1214018363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214020421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154956 + ... + 162601.

It is an arithmetic number, because the mean of its divisors is an integer number (303585448).

Almost surely, 2^1214020411 is an apocalyptic number.

1214020411 is a deficient number, since it is larger than the sum of its proper divisors (321381).

1214020411 is an equidigital number, since it uses as much as digits as its factorization.

1214020411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321380.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1214020411 is about 34842.7956828955. The cubic root of 1214020411 is about 1066.7811411105.

Adding to 1214020411 its reverse (1140204121), we get a palindrome (2354224532).

It can be divided in two parts, 1 and 214020411, that added together give a palindrome (214020412).

The spelling of 1214020411 in words is "one billion, two hundred fourteen million, twenty thousand, four hundred eleven".