1141435021 has 2 divisors, whose sum is σ = 1141435022. Its totient is φ = 1141435020.

The previous prime is 1141434967. The next prime is 1141435027. The reversal of 1141435021 is 1205341411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140412900 + 1022121 = 33770^2 + 1011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141435021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1141434983 and 1141435001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141435027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570717510 + 570717511.

It is an arithmetic number, because the mean of its divisors is an integer number (570717511).

Almost surely, 2^1141435021 is an apocalyptic number.

It is an amenable number.

1141435021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141435021 is an equidigital number, since it uses as much as digits as its factorization.

1141435021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1141435021 is about 33785.1301758629. The cubic root of 1141435021 is about 1045.0820722610.

Adding to 1141435021 its reverse (1205341411), we get a palindrome (2346776432).

The spelling of 1141435021 in words is "one billion, one hundred forty-one million, four hundred thirty-five thousand, twenty-one".