7120099 has 4 divisors (see below), whose sum is σ = 8137264. Its totient is φ = 6102936.

The previous prime is 7120097. The next prime is 7120121. The reversal of 7120099 is 9900217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9900217 = 1831 ⋅5407.

It is not a de Polignac number, because 7120099 - 2¹ = 7120097 is a prime.

It is a super-3 number, since 3×7120099³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7120097) 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, 508572 + ... + 508585.

It is an arithmetic number, because the mean of its divisors is an integer number (2034316).

Almost surely, 2^7120099 is an apocalyptic number.

7120099 is a deficient number, since it is larger than the sum of its proper divisors (1017165).

7120099 is a wasteful number, since it uses less digits than its factorization.

7120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017164.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 7120099 is about 2668.3513636701. The cubic root of 7120099 is about 192.3809259664.

The spelling of 7120099 in words is "seven million, one hundred twenty thousand, ninety-nine".