7120765 has 8 divisors (see below), whose sum is σ = 8570880. Its totient is φ = 5679312.

The previous prime is 7120741. The next prime is 7120781. The reversal of 7120765 is 5670217.

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

It is a cyclic number.

It is not a de Polignac number, because 7120765 - 2⁵ = 7120733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189 + ... + 3778.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

Almost surely, 2^7120765 is an apocalyptic number.

It is an amenable number.

7120765 is a deficient number, since it is larger than the sum of its proper divisors (1450115).

7120765 is a wasteful number, since it uses less digits than its factorization.

7120765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 7120765 is about 2668.4761569105. The cubic root of 7120765 is about 192.3869240901.

The spelling of 7120765 in words is "seven million, one hundred twenty thousand, seven hundred sixty-five".