2998121 has 4 divisors (see below), whose sum is σ = 3426432. Its totient is φ = 2569812.

The previous prime is 2998111. The next prime is 2998133. The reversal of 2998121 is 1218992.

It is a happy number.

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 not a de Polignac number, because 2998121 - 2¹⁸ = 2735977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2998111) 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, 214145 + ... + 214158.

It is an arithmetic number, because the mean of its divisors is an integer number (856608).

2^2998121 is an apocalyptic number.

It is an amenable number.

2998121 is a deficient number, since it is larger than the sum of its proper divisors (428311).

2998121 is an equidigital number, since it uses as much as digits as its factorization.

2998121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428310.

The product of its digits is 2592, while the sum is 32.

The square root of 2998121 is about 1731.5083020303. The cubic root of 2998121 is about 144.1948397760.

The spelling of 2998121 in words is "two million, nine hundred ninety-eight thousand, one hundred twenty-one".