7121116 has 12 divisors (see below), whose sum is σ = 12508888. Its totient is φ = 3547152.

The previous prime is 7121089. The next prime is 7121137. The reversal of 7121116 is 6111217.

It is a junction number, because it is equal to n+sod(n) for n = 7121093 and 7121102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106 + ... + 4321.

Almost surely, 2^7121116 is an apocalyptic number.

It is an amenable number.

7121116 is a deficient number, since it is larger than the sum of its proper divisors (5387772).

7121116 is a wasteful number, since it uses less digits than its factorization.

7121116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708 (or 6706 counting only the distinct ones).

The product of its digits is 84, while the sum is 19.

The square root of 7121116 is about 2668.5419239727. The cubic root of 7121116 is about 192.3900851128.

The spelling of 7121116 in words is "seven million, one hundred twenty-one thousand, one hundred sixteen".