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2004121 = 7416983
BaseRepresentation
bin111101001010010011001
310202211010201
413221102121
51003112441
6110542201
723014630
oct7512231
93684121
102004121
1111497a9
12807961
13552292
143a2517
15298c31
hex1e9499

2004121 has 8 divisors (see below), whose sum is σ = 2346624. Its totient is φ = 1675680.

The previous prime is 2004109. The next prime is 2004131. The reversal of 2004121 is 1214002.

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 2004121 - 217 = 1873049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2004098 and 2004107.

It is not an unprimeable number, because it can be changed into a prime (2004131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3205 + ... + 3778.

It is an arithmetic number, because the mean of its divisors is an integer number (293328).

22004121 is an apocalyptic number.

It is an amenable number.

2004121 is a deficient number, since it is larger than the sum of its proper divisors (342503).

2004121 is an equidigital number, since it uses as much as digits as its factorization.

2004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2004121 is about 1415.6698061342. The cubic root of 2004121 is about 126.0785811994.

Adding to 2004121 its reverse (1214002), we get a palindrome (3218123).

The spelling of 2004121 in words is "two million, four thousand, one hundred twenty-one".

Divisors: 1 7 41 287 6983 48881 286303 2004121