490123961 has 8 divisors (see below), whose sum is σ = 497877504. Its totient is φ = 482383440.

The previous prime is 490123877. The next prime is 490123969. The reversal of 490123961 is 169321094.

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 490123961 - 2¹⁴ = 490107577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490123969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96071 + ... + 101043.

It is an arithmetic number, because the mean of its divisors is an integer number (62234688).

Almost surely, 2^490123961 is an apocalyptic number.

It is an amenable number.

490123961 is a deficient number, since it is larger than the sum of its proper divisors (7753543).

490123961 is a wasteful number, since it uses less digits than its factorization.

490123961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 490123961 is about 22138.7434376931. The cubic root of 490123961 is about 788.4399920449.

The spelling of 490123961 in words is "four hundred ninety million, one hundred twenty-three thousand, nine hundred sixty-one".