7120961 has 8 divisors (see below), whose sum is σ = 7543104. Its totient is φ = 6708240.

The previous prime is 7120933. The next prime is 7120963. The reversal of 7120961 is 1690217.

7120961 = 56³ + 57³ + ... + 78³.

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 7120961 - 2²² = 2926657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7120961.

It is not an unprimeable number, because it can be changed into a prime (7120963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (942888).

Almost surely, 2^7120961 is an apocalyptic number.

7120961 is the 1541-st octagonal number.

It is an amenable number.

7120961 is a deficient number, since it is larger than the sum of its proper divisors (422143).

7120961 is a wasteful number, since it uses less digits than its factorization.

7120961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 7120961 is about 2668.5128817377. The cubic root of 7120961 is about 192.3886892324.

The spelling of 7120961 in words is "seven million, one hundred twenty thousand, nine hundred sixty-one".