5120121 has 8 divisors (see below), whose sum is σ = 6993504. Its totient is φ = 3330080.

The previous prime is 5120119. The next prime is 5120123. The reversal of 5120121 is 1210215.

It is an interprime number because it is at equal distance from previous prime (5120119) and next prime (5120123).

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 5120121 - 2¹ = 5120119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5120097 and 5120106.

It is not an unprimeable number, because it can be changed into a prime (5120123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20691 + ... + 20936.

It is an arithmetic number, because the mean of its divisors is an integer number (874188).

Almost surely, 2^5120121 is an apocalyptic number.

It is an amenable number.

5120121 is a deficient number, since it is larger than the sum of its proper divisors (1873383).

5120121 is a wasteful number, since it uses less digits than its factorization.

5120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41671.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 5120121 is about 2262.7684371141. The cubic root of 5120121 is about 172.3561329346.

Adding to 5120121 its reverse (1210215), we get a palindrome (6330336).

The spelling of 5120121 in words is "five million, one hundred twenty thousand, one hundred twenty-one".