1241123137 has 2 divisors, whose sum is σ = 1241123138. Its totient is φ = 1241123136.

The previous prime is 1241123129. The next prime is 1241123167. The reversal of 1241123137 is 7313211421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653109136 + 588014001 = 25556^2 + 24249^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241123137 - 2³ = 1241123129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241123167) 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, 620561568 + 620561569.

It is an arithmetic number, because the mean of its divisors is an integer number (620561569).

Almost surely, 2^1241123137 is an apocalyptic number.

It is an amenable number.

1241123137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241123137 is an equidigital number, since it uses as much as digits as its factorization.

1241123137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 1241123137 is about 35229.5775875897. The cubic root of 1241123137 is about 1074.6613353962.

Adding to 1241123137 its reverse (7313211421), we get a palindrome (8554334558).

The spelling of 1241123137 in words is "one billion, two hundred forty-one million, one hundred twenty-three thousand, one hundred thirty-seven".