7021107 has 16 divisors (see below), whose sum is σ = 10442880. Its totient is φ = 4662216.

The previous prime is 7021081. The next prime is 7021111. The reversal of 7021107 is 7011207.

It is a de Polignac number, because none of the positive numbers 2^k-7021107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7021107.

It is not an unprimeable number, because it can be changed into a prime (7021117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11668 + ... + 12254.

It is an arithmetic number, because the mean of its divisors is an integer number (652680).

Almost surely, 2^7021107 is an apocalyptic number.

7021107 is a deficient number, since it is larger than the sum of its proper divisors (3421773).

7021107 is a wasteful number, since it uses less digits than its factorization.

7021107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 7021107 is about 2649.7371567761. The cubic root of 7021107 is about 191.4851931551.

The spelling of 7021107 in words is "seven million, twenty-one thousand, one hundred seven".