11172137 has 2 divisors, whose sum is σ = 11172138. Its totient is φ = 11172136.

The previous prime is 11172127. The next prime is 11172149. The reversal of 11172137 is 73127111.

11172137 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8934121 + 2238016 = 2989^2 + 1496^2 .

It is a cyclic number.

It is not a de Polignac number, because 11172137 - 2¹⁸ = 10909993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11172127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586068 + 5586069.

It is an arithmetic number, because the mean of its divisors is an integer number (5586069).

Almost surely, 2^11172137 is an apocalyptic number.

It is an amenable number.

11172137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11172137 is an equidigital number, since it uses as much as digits as its factorization.

11172137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294, while the sum is 23.

The square root of 11172137 is about 3342.4746820283. The cubic root of 11172137 is about 223.5520984537.

Adding to 11172137 its reverse (73127111), we get a palindrome (84299248).

The spelling of 11172137 in words is "eleven million, one hundred seventy-two thousand, one hundred thirty-seven".