2420117 has 4 divisors (see below), whose sum is σ = 2765856. Its totient is φ = 2074380.

The previous prime is 2420113. The next prime is 2420123. The reversal of 2420117 is 7110242.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7110242 = 2 ⋅3555121.

It is not a de Polignac number, because 2420117 - 2² = 2420113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2420095 and 2420104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420111) 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, 172859 + ... + 172872.

It is an arithmetic number, because the mean of its divisors is an integer number (691464).

2^2420117 is an apocalyptic number.

It is an amenable number.

2420117 is a deficient number, since it is larger than the sum of its proper divisors (345739).

2420117 is an equidigital number, since it uses as much as digits as its factorization.

2420117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345738.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2420117 is about 1555.6725233802. The cubic root of 2420117 is about 134.2596325103.

Adding to 2420117 its reverse (7110242), we get a palindrome (9530359).

The spelling of 2420117 in words is "two million, four hundred twenty thousand, one hundred seventeen".