4997121 has 8 divisors (see below), whose sum is σ = 6825504. Its totient is φ = 3250080.

The previous prime is 4997119. The next prime is 4997173. The reversal of 4997121 is 1217994.

4997121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4997121 - 2¹ = 4997119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4997101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20191 + ... + 20436.

It is an arithmetic number, because the mean of its divisors is an integer number (853188).

It is a Proth number, since it is equal to 305 ⋅ 2¹⁴ + 1 and 305 < 2¹⁴.

Almost surely, 2^4997121 is an apocalyptic number.

4997121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4997121 is a deficient number, since it is larger than the sum of its proper divisors (1828383).

4997121 is a wasteful number, since it uses less digits than its factorization.

4997121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40671.

The product of its digits is 4536, while the sum is 33.

The square root of 4997121 is about 2235.4241208326. The cubic root of 4997121 is about 170.9647682280.

The spelling of 4997121 in words is "four million, nine hundred ninety-seven thousand, one hundred twenty-one".