61141121 has 2 divisors, whose sum is σ = 61141122. Its totient is φ = 61141120.

The previous prime is 61141103. The next prime is 61141133. The reversal of 61141121 is 12114116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60217600 + 923521 = 7760^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 61141121 - 2¹⁰ = 61140097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61141121.

It is not a weakly prime, because it can be changed into another prime (61141151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30570560 + 30570561.

It is an arithmetic number, because the mean of its divisors is an integer number (30570561).

Almost surely, 2^61141121 is an apocalyptic number.

It is an amenable number.

61141121 is a deficient number, since it is larger than the sum of its proper divisors (1).

61141121 is an equidigital number, since it uses as much as digits as its factorization.

61141121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 17.

The square root of 61141121 is about 7819.2788030611. The cubic root of 61141121 is about 393.9530486796.

Adding to 61141121 its reverse (12114116), we get a palindrome (73255237).

The spelling of 61141121 in words is "sixty-one million, one hundred forty-one thousand, one hundred twenty-one".