4996121 has 4 divisors (see below), whose sum is σ = 5380452. Its totient is φ = 4611792.

The previous prime is 4996111. The next prime is 4996141. The reversal of 4996121 is 1216994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1216994 = 2 ⋅608497.

It can be written as a sum of positive squares in 2 ways, for example, as 3200521 + 1795600 = 1789^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 4996121 - 2¹⁰ = 4995097 is a prime.

It is a super-2 number, since 2×4996121² = 49922450093282, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4996111) 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, 192146 + ... + 192171.

It is an arithmetic number, because the mean of its divisors is an integer number (1345113).

Almost surely, 2^4996121 is an apocalyptic number.

It is an amenable number.

4996121 is a deficient number, since it is larger than the sum of its proper divisors (384331).

4996121 is a wasteful number, since it uses less digits than its factorization.

4996121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384330.

The product of its digits is 3888, while the sum is 32.

The square root of 4996121 is about 2235.2004384395. The cubic root of 4996121 is about 170.9533632495.

The spelling of 4996121 in words is "four million, nine hundred ninety-six thousand, one hundred twenty-one".