901055 has 4 divisors (see below), whose sum is σ = 1081272. Its totient is φ = 720840.

The previous prime is 901013. The next prime is 901063. The reversal of 901055 is 550109.

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

It is a de Polignac number, because none of the positive numbers 2^k-901055 is a prime.

It is a super-2 number, since 2×901055² = 1623800226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 90101 + ... + 90110.

It is an arithmetic number, because the mean of its divisors is an integer number (270318).

2⁹⁰¹⁰⁵⁵ is an apocalyptic number.

901055 is a deficient number, since it is larger than the sum of its proper divisors (180217).

901055 is a wasteful number, since it uses less digits than its factorization.

901055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180216.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 901055 is about 949.2391690191. The cubic root of 901055 is about 96.5866493330.

The spelling of 901055 in words is "nine hundred one thousand, fifty-five".