102112237 has 2 divisors, whose sum is σ = 102112238. Its totient is φ = 102112236.

The previous prime is 102112223. The next prime is 102112253. The reversal of 102112237 is 732211201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67667076 + 34445161 = 8226^2 + 5869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102112237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056118 + 51056119.

It is an arithmetic number, because the mean of its divisors is an integer number (51056119).

Almost surely, 2^102112237 is an apocalyptic number.

It is an amenable number.

102112237 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112237 is an equidigital number, since it uses as much as digits as its factorization.

102112237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 102112237 is about 10105.0599701338. The cubic root of 102112237 is about 467.4041852311.

Adding to 102112237 its reverse (732211201), we get a palindrome (834323438).

The spelling of 102112237 in words is "one hundred two million, one hundred twelve thousand, two hundred thirty-seven".