112198157 has 2 divisors, whose sum is σ = 112198158. Its totient is φ = 112198156.

The previous prime is 112198127. The next prime is 112198183. The reversal of 112198157 is 751891211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82919236 + 29278921 = 9106^2 + 5411^2 .

It is an emirp because it is prime and its reverse (751891211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112198157 - 2⁸ = 112197901 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112198127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56099078 + 56099079.

It is an arithmetic number, because the mean of its divisors is an integer number (56099079).

Almost surely, 2^112198157 is an apocalyptic number.

It is an amenable number.

112198157 is a deficient number, since it is larger than the sum of its proper divisors (1).

112198157 is an equidigital number, since it uses as much as digits as its factorization.

112198157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 35.

The square root of 112198157 is about 10592.3631452099. The cubic root of 112198157 is about 482.3125630607.

The spelling of 112198157 in words is "one hundred twelve million, one hundred ninety-eight thousand, one hundred fifty-seven".