201152901 has 4 divisors (see below), whose sum is σ = 268203872. Its totient is φ = 134101932.

The previous prime is 201152879. The next prime is 201152909. The reversal of 201152901 is 109251102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201152901 - 2⁶ = 201152837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201152909) 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, 33525481 + ... + 33525486.

It is an arithmetic number, because the mean of its divisors is an integer number (67050968).

Almost surely, 2^201152901 is an apocalyptic number.

It is an amenable number.

201152901 is a deficient number, since it is larger than the sum of its proper divisors (67050971).

201152901 is an equidigital number, since it uses as much as digits as its factorization.

201152901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67050970.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 201152901 is about 14182.8382561461. The cubic root of 201152901 is about 585.9250963291.

It can be divided in two parts, 20 and 1152901, that added together give a triangular number (1152921 = T₁₅₁₈).

The spelling of 201152901 in words is "two hundred one million, one hundred fifty-two thousand, nine hundred one".