9120069 has 12 divisors (see below), whose sum is σ = 15055456. Its totient is φ = 5211432.

The previous prime is 9120017. The next prime is 9120073. The reversal of 9120069 is 9600219.

It is a happy number.

It is not a de Polignac number, because 9120069 - 2⁷ = 9119941 is a prime.

It is a super-2 number, since 2×9120069² = 166351317129522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9120079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72319 + ... + 72444.

Almost surely, 2^9120069 is an apocalyptic number.

It is an amenable number.

9120069 is a deficient number, since it is larger than the sum of its proper divisors (5935387).

9120069 is a wasteful number, since it uses less digits than its factorization.

9120069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144776 (or 144773 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 9120069 is about 3019.9451981783. The cubic root of 9120069 is about 208.9293122669.

The spelling of 9120069 in words is "nine million, one hundred twenty thousand, sixty-nine".