1137298291 has 2 divisors, whose sum is σ = 1137298292. Its totient is φ = 1137298290.

The previous prime is 1137298289. The next prime is 1137298361. The reversal of 1137298291 is 1928927311.

It is a weak prime.

It is an emirp because it is prime and its reverse (1928927311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1137298291 - 2¹ = 1137298289 is a prime.

Together with 1137298289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1137298391) 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, 568649145 + 568649146.

It is an arithmetic number, because the mean of its divisors is an integer number (568649146).

Almost surely, 2^1137298291 is an apocalyptic number.

1137298291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137298291 is an equidigital number, since it uses as much as digits as its factorization.

1137298291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 1137298291 is about 33723.8534423337. The cubic root of 1137298291 is about 1043.8180331382.

The spelling of 1137298291 in words is "one billion, one hundred thirty-seven million, two hundred ninety-eight thousand, two hundred ninety-one".