2420004121 has 4 divisors (see below), whose sum is σ = 2461021200. Its totient is φ = 2378987044.

The previous prime is 2420004107. The next prime is 2420004149. The reversal of 2420004121 is 1214000242.

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 2420004121 - 2¹⁵ = 2419971353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420004095 and 2420004104.

It is not an unprimeable number, because it can be changed into a prime (2420004101) 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, 20508451 + ... + 20508568.

It is an arithmetic number, because the mean of its divisors is an integer number (615255300).

Almost surely, 2^2420004121 is an apocalyptic number.

It is an amenable number.

2420004121 is a deficient number, since it is larger than the sum of its proper divisors (41017079).

2420004121 is an equidigital number, since it uses as much as digits as its factorization.

2420004121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41017078.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2420004121 is about 49193.5373905963. The cubic root of 2420004121 is about 1342.5754510037.

Adding to 2420004121 its reverse (1214000242), we get a palindrome (3634004363).

The spelling of 2420004121 in words is "two billion, four hundred twenty million, four thousand, one hundred twenty-one".