201123764 has 24 divisors (see below), whose sum is σ = 360557568. Its totient is φ = 98128160.

The previous prime is 201123739. The next prime is 201123779. The reversal of 201123764 is 467321102.

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, 38009 + ... + 42975.

It is an arithmetic number, because the mean of its divisors is an integer number (15023232).

Almost surely, 2^201123764 is an apocalyptic number.

It is an amenable number.

201123764 is a deficient number, since it is larger than the sum of its proper divisors (159433804).

201123764 is a wasteful number, since it uses less digits than its factorization.

201123764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215 (or 5213 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 201123764 is about 14181.8110268047. The cubic root of 201123764 is about 585.8968045441.

Adding to 201123764 its reverse (467321102), we get a palindrome (668444866).

The spelling of 201123764 in words is "two hundred one million, one hundred twenty-three thousand, seven hundred sixty-four".