9121069 has 4 divisors (see below), whose sum is σ = 9131040. Its totient is φ = 9111100.

The previous prime is 9121067. The next prime is 9121081. The reversal of 9121069 is 9601219.

9121069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9121069 - 2¹ = 9121067 is a prime.

It is a super-2 number, since 2×9121069² = 166387799405522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121067) 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, 3457 + ... + 5494.

It is an arithmetic number, because the mean of its divisors is an integer number (2282760).

Almost surely, 2^9121069 is an apocalyptic number.

It is an amenable number.

9121069 is a deficient number, since it is larger than the sum of its proper divisors (9971).

9121069 is a wasteful number, since it uses less digits than its factorization.

9121069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 9121069 is about 3020.1107595583. The cubic root of 9121069 is about 208.9369482353.

The spelling of 9121069 in words is "nine million, one hundred twenty-one thousand, sixty-nine".