69112121 has 8 divisors (see below), whose sum is σ = 74646600. Its totient is φ = 63608832.

The previous prime is 69112117. The next prime is 69112129. The reversal of 69112121 is 12121196.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 67980025 = 1064^2 + 8245^2 .

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 69112121 - 2² = 69112117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69112129) 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, 3080 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (9330825).

Almost surely, 2^69112121 is an apocalyptic number.

It is an amenable number.

69112121 is a deficient number, since it is larger than the sum of its proper divisors (5534479).

69112121 is a wasteful number, since it uses less digits than its factorization.

69112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15595.

The product of its digits is 216, while the sum is 23.

The square root of 69112121 is about 8313.3700146210. The cubic root of 69112121 is about 410.3786329750.

The spelling of 69112121 in words is "sixty-nine million, one hundred twelve thousand, one hundred twenty-one".