201129273 has 12 divisors (see below), whose sum is σ = 303151680. Its totient is φ = 128256216.

The previous prime is 201129263. The next prime is 201129277. The reversal of 201129273 is 372921102.

It is not a de Polignac number, because 201129273 - 2⁵ = 201129241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201129277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485613 + ... + 486026.

It is an arithmetic number, because the mean of its divisors is an integer number (25262640).

Almost surely, 2^201129273 is an apocalyptic number.

201129273 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201129273 is a deficient number, since it is larger than the sum of its proper divisors (102022407).

201129273 is a wasteful number, since it uses less digits than its factorization.

201129273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971668 (or 971665 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 201129273 is about 14182.0052531368. The cubic root of 201129273 is about 585.9021539468.

The spelling of 201129273 in words is "two hundred one million, one hundred twenty-nine thousand, two hundred seventy-three".