201120929 has 4 divisors (see below), whose sum is σ = 201274500. Its totient is φ = 200967360.

The previous prime is 201120889. The next prime is 201120971. The reversal of 201120929 is 929021102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119399329 + 81721600 = 10927^2 + 9040^2 .

It is a cyclic number.

It is not a de Polignac number, because 201120929 - 2²⁴ = 184343713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201120898 and 201120907.

It is not an unprimeable number, because it can be changed into a prime (201120979) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74804 + ... + 77445.

It is an arithmetic number, because the mean of its divisors is an integer number (50318625).

Almost surely, 2^201120929 is an apocalyptic number.

It is an amenable number.

201120929 is a deficient number, since it is larger than the sum of its proper divisors (153571).

201120929 is a wasteful number, since it uses less digits than its factorization.

201120929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153570.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 201120929 is about 14181.7110744790. The cubic root of 201120929 is about 585.8940516367.

The spelling of 201120929 in words is "two hundred one million, one hundred twenty thousand, nine hundred twenty-nine".