201261245 has 8 divisors (see below), whose sum is σ = 241749600. Its totient is φ = 160851600.

The previous prime is 201261223. The next prime is 201261253. The reversal of 201261245 is 542162102.

It is a happy number.

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

It is not a de Polignac number, because 201261245 - 2¹⁸ = 200999101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201261245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13895 + ... + 24404.

It is an arithmetic number, because the mean of its divisors is an integer number (30218700).

Almost surely, 2^201261245 is an apocalyptic number.

It is an amenable number.

201261245 is a deficient number, since it is larger than the sum of its proper divisors (40488355).

201261245 is a wasteful number, since it uses less digits than its factorization.

201261245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39355.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 201261245 is about 14186.6572877475. The cubic root of 201261245 is about 586.0302734926.

The spelling of 201261245 in words is "two hundred one million, two hundred sixty-one thousand, two hundred forty-five".