490111123 has 4 divisors (see below), whose sum is σ = 496825048. Its totient is φ = 483397200.

The previous prime is 490111093. The next prime is 490111133. The reversal of 490111123 is 321111094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321111094 = 2 ⋅160555547.

It is a cyclic number.

It is not a de Polignac number, because 490111123 - 2⁵ = 490111091 is a prime.

It is a super-2 number, since 2×490111123² = 480417825776642258, 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 = 490111094 and 490111103.

It is not an unprimeable number, because it can be changed into a prime (490111133) 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 3 ways as a sum of consecutive naturals, for example, 3356853 + ... + 3356998.

It is an arithmetic number, because the mean of its divisors is an integer number (124206262).

Almost surely, 2^490111123 is an apocalyptic number.

490111123 is a deficient number, since it is larger than the sum of its proper divisors (6713925).

490111123 is an equidigital number, since it uses as much as digits as its factorization.

490111123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713924.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 490111123 is about 22138.4534916060. The cubic root of 490111123 is about 788.4331080170.

The spelling of 490111123 in words is "four hundred ninety million, one hundred eleven thousand, one hundred twenty-three".