1214021141 has 2 divisors, whose sum is σ = 1214021142. Its totient is φ = 1214021140.

The previous prime is 1214021129. The next prime is 1214021201. The reversal of 1214021141 is 1411204121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077808900 + 136212241 = 32830^2 + 11671^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214021141 - 2⁶ = 1214021077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214021741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607010570 + 607010571.

It is an arithmetic number, because the mean of its divisors is an integer number (607010571).

Almost surely, 2^1214021141 is an apocalyptic number.

It is an amenable number.

1214021141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214021141 is an equidigital number, since it uses as much as digits as its factorization.

1214021141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1214021141 is about 34842.8061585171. The cubic root of 1214021141 is about 1066.7813549317.

Adding to 1214021141 its reverse (1411204121), we get a palindrome (2625225262).

The spelling of 1214021141 in words is "one billion, two hundred fourteen million, twenty-one thousand, one hundred forty-one".