5491123 has 8 divisors (see below), whose sum is σ = 6183936. Its totient is φ = 4830600.

The previous prime is 5491117. The next prime is 5491139. The reversal of 5491123 is 3211945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5491123 - 2⁵ = 5491091 is a prime.

It is a super-2 number, since 2×5491123² = 60304863602258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5491163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7711 + ... + 8392.

It is an arithmetic number, because the mean of its divisors is an integer number (772992).

Almost surely, 2^5491123 is an apocalyptic number.

5491123 is a deficient number, since it is larger than the sum of its proper divisors (692813).

5491123 is a wasteful number, since it uses less digits than its factorization.

5491123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16145.

The product of its digits is 1080, while the sum is 25.

The square root of 5491123 is about 2343.3145328786. The cubic root of 5491123 is about 176.4223992583.

The spelling of 5491123 in words is "five million, four hundred ninety-one thousand, one hundred twenty-three".