490030101 has 32 divisors (see below), whose sum is σ = 799286400. Its totient is φ = 294243840.

The previous prime is 490030097. The next prime is 490030153. The reversal of 490030101 is 101030094.

It is not a de Polignac number, because 490030101 - 2² = 490030097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490030171) 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 31 ways as a sum of consecutive naturals, for example, 24805 + ... + 39941.

It is an arithmetic number, because the mean of its divisors is an integer number (24977700).

Almost surely, 2^490030101 is an apocalyptic number.

It is an amenable number.

490030101 is a deficient number, since it is larger than the sum of its proper divisors (309256299).

490030101 is a wasteful number, since it uses less digits than its factorization.

490030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15266 (or 15260 counting only the distinct ones).

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

The square root of 490030101 is about 22136.6235230218. The cubic root of 490030101 is about 788.3896594026.

Adding to 490030101 its reverse (101030094), we get a palindrome (591060195).

The spelling of 490030101 in words is "four hundred ninety million, thirty thousand, one hundred one".