901143 has 12 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 596736.

The previous prime is 901141. The next prime is 901169. The reversal of 901143 is 341109.

It is not a de Polignac number, because 901143 - 2¹ = 901141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901141) 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, 1783 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2⁹⁰¹¹⁴³ is an apocalyptic number.

901143 is a deficient number, since it is larger than the sum of its proper divisors (409257).

901143 is a wasteful number, since it uses less digits than its factorization.

901143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 901143 is about 949.2855207997. The cubic root of 901143 is about 96.5897935541.

The spelling of 901143 in words is "nine hundred one thousand, one hundred forty-three".