1237240049 has 2 divisors, whose sum is σ = 1237240050. Its totient is φ = 1237240048.

The previous prime is 1237240027. The next prime is 1237240063. The reversal of 1237240049 is 9400427321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644804449 + 592435600 = 25393^2 + 24340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1237240049 - 2²⁴ = 1220462833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1237239997 and 1237240024.

It is not a weakly prime, because it can be changed into another prime (1237242049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618620024 + 618620025.

It is an arithmetic number, because the mean of its divisors is an integer number (618620025).

Almost surely, 2^1237240049 is an apocalyptic number.

It is an amenable number.

1237240049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1237240049 is an equidigital number, since it uses as much as digits as its factorization.

1237240049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1237240049 is about 35174.4232219947. The cubic root of 1237240049 is about 1073.5394042458.

The spelling of 1237240049 in words is "one billion, two hundred thirty-seven million, two hundred forty thousand, forty-nine".