7120885 has 4 divisors (see below), whose sum is σ = 8545068. Its totient is φ = 5696704.

The previous prime is 7120879. The next prime is 7120891. The reversal of 7120885 is 5880217.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7120879) and next prime (7120891).

It can be written as a sum of positive squares in 2 ways, for example, as 3411409 + 3709476 = 1847^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 7120885 - 2¹⁷ = 6989813 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 712084 + ... + 712093.

It is an arithmetic number, because the mean of its divisors is an integer number (2136267).

Almost surely, 2^7120885 is an apocalyptic number.

It is an amenable number.

7120885 is a deficient number, since it is larger than the sum of its proper divisors (1424183).

7120885 is a wasteful number, since it uses less digits than its factorization.

7120885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424182.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 7120885 is about 2668.4986415586. The cubic root of 7120885 is about 192.3880047933.

The spelling of 7120885 in words is "seven million, one hundred twenty thousand, eight hundred eighty-five".