201260155 has 4 divisors (see below), whose sum is σ = 241512192. Its totient is φ = 161008120.

The previous prime is 201260149. The next prime is 201260219. The reversal of 201260155 is 551062102.

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

It is not a de Polignac number, because 201260155 - 2⁵ = 201260123 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20126011 + ... + 20126020.

It is an arithmetic number, because the mean of its divisors is an integer number (60378048).

Almost surely, 2^201260155 is an apocalyptic number.

201260155 is a deficient number, since it is larger than the sum of its proper divisors (40252037).

201260155 is an equidigital number, since it uses as much as digits as its factorization.

201260155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40252036.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 201260155 is about 14186.6188713167. The cubic root of 201260155 is about 586.0292155407.

The spelling of 201260155 in words is "two hundred one million, two hundred sixty thousand, one hundred fifty-five".