1141020061 has 2 divisors, whose sum is σ = 1141020062. Its totient is φ = 1141020060.

The previous prime is 1141020029. The next prime is 1141020079. The reversal of 1141020061 is 1600201411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1114291161 + 26728900 = 33381^2 + 5170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141020061 - 2⁵ = 1141020029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141020761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570510030 + 570510031.

It is an arithmetic number, because the mean of its divisors is an integer number (570510031).

Almost surely, 2^1141020061 is an apocalyptic number.

It is an amenable number.

1141020061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141020061 is an equidigital number, since it uses as much as digits as its factorization.

1141020061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1141020061 is about 33778.9884543632. The cubic root of 1141020061 is about 1044.9554130378.

Adding to 1141020061 its reverse (1600201411), we get a palindrome (2741221472).

The spelling of 1141020061 in words is "one billion, one hundred forty-one million, twenty thousand, sixty-one".