197950127 has 2 divisors, whose sum is σ = 197950128. Its totient is φ = 197950126.

The previous prime is 197950099. The next prime is 197950171. The reversal of 197950127 is 721059791.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (721059791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197950127 - 2²⁴ = 181172911 is a prime.

It is a super-2 number, since 2×197950127² = 78368505558632258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197950327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98975063 + 98975064.

It is an arithmetic number, because the mean of its divisors is an integer number (98975064).

Almost surely, 2^197950127 is an apocalyptic number.

197950127 is a deficient number, since it is larger than the sum of its proper divisors (1).

197950127 is an equidigital number, since it uses as much as digits as its factorization.

197950127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 197950127 is about 14069.4750079738. The cubic root of 197950127 is about 582.7987275798.

The spelling of 197950127 in words is "one hundred ninety-seven million, nine hundred fifty thousand, one hundred twenty-seven".