201011245 has 16 divisors (see below), whose sum is σ = 251009280. Its totient is φ = 154408384.

The previous prime is 201011231. The next prime is 201011249. The reversal of 201011245 is 542110102.

It is a cyclic number.

It is not a de Polignac number, because 201011245 - 2²³ = 192622637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011249) 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, 4386 + ... + 20524.

It is an arithmetic number, because the mean of its divisors is an integer number (15688080).

Almost surely, 2^201011245 is an apocalyptic number.

It is an amenable number.

201011245 is a deficient number, since it is larger than the sum of its proper divisors (49998035).

201011245 is a wasteful number, since it uses less digits than its factorization.

201011245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16244.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 201011245 is about 14177.8434537838. The cubic root of 201011245 is about 585.7875238721.

Adding to 201011245 its reverse (542110102), we get a palindrome (743121347).

The spelling of 201011245 in words is "two hundred one million, eleven thousand, two hundred forty-five".