197112501 has 32 divisors (see below), whose sum is σ = 315809280. Its totient is φ = 121033728.

The previous prime is 197112497. The next prime is 197112523. The reversal of 197112501 is 105211791.

It is not a de Polignac number, because 197112501 - 2² = 197112497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197112541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17005 + ... + 26141.

It is an arithmetic number, because the mean of its divisors is an integer number (9869040).

Almost surely, 2^197112501 is an apocalyptic number.

It is an amenable number.

197112501 is a deficient number, since it is larger than the sum of its proper divisors (118696779).

197112501 is a wasteful number, since it uses less digits than its factorization.

197112501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210 (or 9204 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 27.

The square root of 197112501 is about 14039.6759577990. The cubic root of 197112501 is about 581.9755277201.

The spelling of 197112501 in words is "one hundred ninety-seven million, one hundred twelve thousand, five hundred one".