201057771 has 8 divisors (see below), whose sum is σ = 270731664. Its totient is φ = 132711200.

The previous prime is 201057767. The next prime is 201057799. The reversal of 201057771 is 177750102.

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

It is a cyclic number.

It is not a de Polignac number, because 201057771 - 2² = 201057767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201057721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331476 + ... + 332081.

It is an arithmetic number, because the mean of its divisors is an integer number (33841458).

Almost surely, 2^201057771 is an apocalyptic number.

201057771 is a deficient number, since it is larger than the sum of its proper divisors (69673893).

201057771 is a wasteful number, since it uses less digits than its factorization.

201057771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663661.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 201057771 is about 14179.4841584594. The cubic root of 201057771 is about 585.8327157847.

The spelling of 201057771 in words is "two hundred one million, fifty-seven thousand, seven hundred seventy-one".