4921111 has 12 divisors (see below), whose sum is σ = 5479752. Its totient is φ = 4414176.

The previous prime is 4921099. The next prime is 4921117. The reversal of 4921111 is 1111294.

It is not a de Polignac number, because 4921111 - 2⁵ = 4921079 is a prime.

It is a Duffinian number.

4921111 is a modest number, since divided by 1111 gives 492 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5860 + ... + 6646.

It is an arithmetic number, because the mean of its divisors is an integer number (456646).

Almost surely, 2^4921111 is an apocalyptic number.

4921111 is a deficient number, since it is larger than the sum of its proper divisors (558641).

4921111 is a wasteful number, since it uses less digits than its factorization.

4921111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 837 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

The square root of 4921111 is about 2218.3577258864. The cubic root of 4921111 is about 170.0935010442.

The spelling of 4921111 in words is "four million, nine hundred twenty-one thousand, one hundred eleven".