105127198 has 16 divisors (see below), whose sum is σ = 176223600. Its totient is φ = 46619200.

The previous prime is 105127193. The next prime is 105127207. The reversal of 105127198 is 891721501.

It is a happy number.

It is a super-2 number, since 2×105127198² = 22103455518662408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105127193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57373 + ... + 59176.

It is an arithmetic number, because the mean of its divisors is an integer number (11013975).

Almost surely, 2^105127198 is an apocalyptic number.

105127198 is a deficient number, since it is larger than the sum of its proper divisors (71096402).

105127198 is a wasteful number, since it uses less digits than its factorization.

105127198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116603.

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 105127198 is about 10253.1555142795. The cubic root of 105127198 is about 471.9598231387.

Adding to 105127198 its reverse (891721501), we get a palindrome (996848699).

The spelling of 105127198 in words is "one hundred five million, one hundred twenty-seven thousand, one hundred ninety-eight".