8417121 has 16 divisors (see below), whose sum is σ = 11658240. Its totient is φ = 5397840.

The previous prime is 8417081. The next prime is 8417131. The reversal of 8417121 is 1217148.

8417121 = T₄₅₁ + T₄₅₂ + ... + T₅₂₁.

8417121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8417121 - 2¹³ = 8408929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8417091 and 8417100.

It is not an unprimeable number, because it can be changed into a prime (8417131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8700 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (728640).

Almost surely, 2^8417121 is an apocalyptic number.

It is an amenable number.

8417121 is a deficient number, since it is larger than the sum of its proper divisors (3241119).

8417121 is a wasteful number, since it uses less digits than its factorization.

8417121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036.

The product of its digits is 448, while the sum is 24.

The square root of 8417121 is about 2901.2274988356. The cubic root of 8417121 is about 203.4172865422.

It can be divided in two parts, 84 and 17121, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 8417121 in words is "eight million, four hundred seventeen thousand, one hundred twenty-one".