1241625061 has 2 divisors, whose sum is σ = 1241625062. Its totient is φ = 1241625060.

The previous prime is 1241625013. The next prime is 1241625089. The reversal of 1241625061 is 1605261421.

It is an a-pointer prime, because the next prime (1241625089) can be obtained adding 1241625061 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 904204900 + 337420161 = 30070^2 + 18369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241625061 - 2²³ = 1233236453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241625961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620812530 + 620812531.

It is an arithmetic number, because the mean of its divisors is an integer number (620812531).

Almost surely, 2^1241625061 is an apocalyptic number.

It is an amenable number.

1241625061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241625061 is an equidigital number, since it uses as much as digits as its factorization.

1241625061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1241625061 is about 35236.7004840124. The cubic root of 1241625061 is about 1074.8061842038.

Adding to 1241625061 its reverse (1605261421), we get a palindrome (2846886482).

The spelling of 1241625061 in words is "one billion, two hundred forty-one million, six hundred twenty-five thousand, sixty-one".