201045122 has 8 divisors (see below), whose sum is σ = 302268672. Its totient is φ = 100288900.

The previous prime is 201045113. The next prime is 201045209. The reversal of 201045122 is 221540102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201045122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115754 + ... + 117477.

It is an arithmetic number, because the mean of its divisors is an integer number (37783584).

Almost surely, 2^201045122 is an apocalyptic number.

201045122 is a deficient number, since it is larger than the sum of its proper divisors (101223550).

201045122 is a wasteful number, since it uses less digits than its factorization.

201045122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233664.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 201045122 is about 14179.0381197033. The cubic root of 201045122 is about 585.8204301725.

Adding to 201045122 its reverse (221540102), we get a palindrome (422585224).

The spelling of 201045122 in words is "two hundred one million, forty-five thousand, one hundred twenty-two".