1149240437 has 2 divisors, whose sum is σ = 1149240438. Its totient is φ = 1149240436.

The previous prime is 1149240431. The next prime is 1149240439. The reversal of 1149240437 is 7340429411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 786185521 + 363054916 = 28039^2 + 19054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149240437 - 2¹⁸ = 1148978293 is a prime.

Together with 1149240439, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149240397 and 1149240406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149240431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574620218 + 574620219.

It is an arithmetic number, because the mean of its divisors is an integer number (574620219).

Almost surely, 2^1149240437 is an apocalyptic number.

It is an amenable number.

1149240437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149240437 is an equidigital number, since it uses as much as digits as its factorization.

1149240437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1149240437 is about 33900.4489203314. The cubic root of 1149240437 is about 1047.4588396971.

Adding to 1149240437 its reverse (7340429411), we get a palindrome (8489669848).

The spelling of 1149240437 in words is "one billion, one hundred forty-nine million, two hundred forty thousand, four hundred thirty-seven".