901123 has 4 divisors (see below), whose sum is σ = 903040. Its totient is φ = 899208.

The previous prime is 901111. The next prime is 901133. The reversal of 901123 is 321109.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901123 is a prime.

It is a super-2 number, since 2×901123² = 1624045322258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 901097 and 901106.

It is not an unprimeable number, because it can be changed into a prime (901133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286 + ... + 1372.

It is an arithmetic number, because the mean of its divisors is an integer number (225760).

2⁹⁰¹¹²³ is an apocalyptic number.

901123 is a deficient number, since it is larger than the sum of its proper divisors (1917).

901123 is a wasteful number, since it uses less digits than its factorization.

901123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 901123 is about 949.2749865029. The cubic root of 901123 is about 96.5890789763.

It can be divided in two parts, 901 and 123, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 901123 in words is "nine hundred one thousand, one hundred twenty-three".