116155121 has 8 divisors (see below), whose sum is σ = 120829800. Its totient is φ = 111525120.

The previous prime is 116155093. The next prime is 116155139. The reversal of 116155121 is 121551611.

It can be written as a sum of positive squares in 4 ways, for example, as 14145121 + 102010000 = 3761^2 + 10100^2 .

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 116155121 - 2¹⁰ = 116154097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116155021) 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, 5816 + ... + 16313.

It is an arithmetic number, because the mean of its divisors is an integer number (15103725).

Almost surely, 2^116155121 is an apocalyptic number.

It is an amenable number.

116155121 is a deficient number, since it is larger than the sum of its proper divisors (4674679).

116155121 is a wasteful number, since it uses less digits than its factorization.

116155121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22339.

The product of its digits is 300, while the sum is 23.

The square root of 116155121 is about 10777.5285200272. The cubic root of 116155121 is about 487.9171915054.

The spelling of 116155121 in words is "one hundred sixteen million, one hundred fifty-five thousand, one hundred twenty-one".