201051215 has 8 divisors (see below), whose sum is σ = 242860128. Its totient is φ = 159775200.

The previous prime is 201051203. The next prime is 201051223. The reversal of 201051215 is 512150102.

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

It is not a de Polignac number, because 201051215 - 2¹⁴ = 201034831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201051193 and 201051202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 132392 + ... + 133901.

It is an arithmetic number, because the mean of its divisors is an integer number (30357516).

Almost surely, 2^201051215 is an apocalyptic number.

201051215 is a deficient number, since it is larger than the sum of its proper divisors (41808913).

201051215 is a wasteful number, since it uses less digits than its factorization.

201051215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266449.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 201051215 is about 14179.2529775020. The cubic root of 201051215 is about 585.8263481936.

The spelling of 201051215 in words is "two hundred one million, fifty-one thousand, two hundred fifteen".