7121066 has 8 divisors (see below), whose sum is σ = 11050020. Its totient is φ = 3437728.

The previous prime is 7121033. The next prime is 7121071. The reversal of 7121066 is 6601217.

It can be written as a sum of positive squares in 2 ways, for example, as 6355441 + 765625 = 2521^2 + 875^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 61331 + ... + 61446.

Almost surely, 2^7121066 is an apocalyptic number.

7121066 is a deficient number, since it is larger than the sum of its proper divisors (3928954).

7121066 is a wasteful number, since it uses less digits than its factorization.

7121066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122808.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7121066 is about 2668.5325555443. The cubic root of 7121066 is about 192.3896348310.

The spelling of 7121066 in words is "seven million, one hundred twenty-one thousand, sixty-six".