1147623137 has 2 divisors, whose sum is σ = 1147623138. Its totient is φ = 1147623136.

The previous prime is 1147623109. The next prime is 1147623149. The reversal of 1147623137 is 7313267411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117163776 + 30459361 = 33424^2 + 5519^2 .

It is an emirp because it is prime and its reverse (7313267411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147623137 - 2¹⁸ = 1147360993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1147623097 and 1147623106.

It is not a weakly prime, because it can be changed into another prime (1147623187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573811568 + 573811569.

It is an arithmetic number, because the mean of its divisors is an integer number (573811569).

Almost surely, 2^1147623137 is an apocalyptic number.

It is an amenable number.

1147623137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147623137 is an equidigital number, since it uses as much as digits as its factorization.

1147623137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 1147623137 is about 33876.5868558212. The cubic root of 1147623137 is about 1046.9672540036.

The spelling of 1147623137 in words is "one billion, one hundred forty-seven million, six hundred twenty-three thousand, one hundred thirty-seven".