4995121 has 4 divisors (see below), whose sum is σ = 5010544. Its totient is φ = 4979700.

The previous prime is 4995101. The next prime is 4995139. The reversal of 4995121 is 1215994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4995121 - 2⁷ = 4994993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4995101) 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, 7215 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (1252636).

Almost surely, 2^4995121 is an apocalyptic number.

It is an amenable number.

4995121 is a deficient number, since it is larger than the sum of its proper divisors (15423).

4995121 is a wasteful number, since it uses less digits than its factorization.

4995121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422.

The product of its digits is 3240, while the sum is 31.

The square root of 4995121 is about 2234.9767336597. The cubic root of 4995121 is about 170.9419567490.

The spelling of 4995121 in words is "four million, nine hundred ninety-five thousand, one hundred twenty-one".