1141222013 has 2 divisors, whose sum is σ = 1141222014. Its totient is φ = 1141222012.

The previous prime is 1141221997. The next prime is 1141222031. The reversal of 1141222013 is 3102221411.

Together with next prime (1141222031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138522564 + 2699449 = 33742^2 + 1643^2 .

It is an emirp because it is prime and its reverse (3102221411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141222013 - 2⁴ = 1141221997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1141221982 and 1141222000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141222813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570611006 + 570611007.

It is an arithmetic number, because the mean of its divisors is an integer number (570611007).

Almost surely, 2^1141222013 is an apocalyptic number.

It is an amenable number.

1141222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141222013 is an equidigital number, since it uses as much as digits as its factorization.

1141222013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1141222013 is about 33781.9776360118. The cubic root of 1141222013 is about 1045.0170591600.

Adding to 1141222013 its reverse (3102221411), we get a palindrome (4243443424).

The spelling of 1141222013 in words is "one billion, one hundred forty-one million, two hundred twenty-two thousand, thirteen".