201243198 has 32 divisors (see below), whose sum is σ = 434671776. Its totient is φ = 61746048.

The previous prime is 201243197. The next prime is 201243233. The reversal of 201243198 is 891342102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201243191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25636 + ... + 32552.

It is an arithmetic number, because the mean of its divisors is an integer number (13583493).

Almost surely, 2^201243198 is an apocalyptic number.

201243198 is an abundant number, since it is smaller than the sum of its proper divisors (233428578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201243198 is a wasteful number, since it uses less digits than its factorization.

201243198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 201243198 is about 14186.0212180865. The cubic root of 201243198 is about 586.0127566172.

The spelling of 201243198 in words is "two hundred one million, two hundred forty-three thousand, one hundred ninety-eight".