1141764121 has 2 divisors, whose sum is σ = 1141764122. Its totient is φ = 1141764120.

The previous prime is 1141764089. The next prime is 1141764139. The reversal of 1141764121 is 1214671411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141696521 + 67600 = 33789^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141764121 - 2⁵ = 1141764089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141764121.

It is not a weakly prime, because it can be changed into another prime (1141764161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570882060 + 570882061.

It is an arithmetic number, because the mean of its divisors is an integer number (570882061).

Almost surely, 2^1141764121 is an apocalyptic number.

It is an amenable number.

1141764121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141764121 is an equidigital number, since it uses as much as digits as its factorization.

1141764121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

The square root of 1141764121 is about 33790.0003107428. Note that the first 3 decimals coincide. The cubic root of 1141764121 is about 1045.1825024079.

The spelling of 1141764121 in words is "one billion, one hundred forty-one million, seven hundred sixty-four thousand, one hundred twenty-one".