298020121 has 4 divisors (see below), whose sum is σ = 340594432. Its totient is φ = 255445812.

The previous prime is 298020119. The next prime is 298020127. The reversal of 298020121 is 121020892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298020121 - 2¹ = 298020119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298020127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21287145 + ... + 21287158.

It is an arithmetic number, because the mean of its divisors is an integer number (85148608).

Almost surely, 2^298020121 is an apocalyptic number.

It is an amenable number.

298020121 is a deficient number, since it is larger than the sum of its proper divisors (42574311).

298020121 is an equidigital number, since it uses as much as digits as its factorization.

298020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42574310.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 298020121 is about 17263.2592809122. The cubic root of 298020121 is about 667.9570360035.

The spelling of 298020121 in words is "two hundred ninety-eight million, twenty thousand, one hundred twenty-one".