4890390121 has 8 divisors (see below), whose sum is σ = 4942536704. Its totient is φ = 4838279040.

The previous prime is 4890390101. The next prime is 4890390149. The reversal of 4890390121 is 1210930984.

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 4890390121 - 2¹¹ = 4890388073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4890390101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340516 + ... + 354586.

It is an arithmetic number, because the mean of its divisors is an integer number (617817088).

Almost surely, 2^4890390121 is an apocalyptic number.

It is an amenable number.

4890390121 is a deficient number, since it is larger than the sum of its proper divisors (52146583).

4890390121 is a wasteful number, since it uses less digits than its factorization.

4890390121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17751.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4890390121 is about 69931.3243189345. The cubic root of 4890390121 is about 1697.3881601048.

The spelling of 4890390121 in words is "four billion, eight hundred ninety million, three hundred ninety thousand, one hundred twenty-one".