116229121 has 4 divisors (see below), whose sum is σ = 117963952. Its totient is φ = 114494292.

The previous prime is 116229109. The next prime is 116229203. The reversal of 116229121 is 121922611.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116229121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116229101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867315 + ... + 867448.

It is an arithmetic number, because the mean of its divisors is an integer number (29490988).

Almost surely, 2^116229121 is an apocalyptic number.

It is an amenable number.

116229121 is a deficient number, since it is larger than the sum of its proper divisors (1734831).

116229121 is an equidigital number, since it uses as much as digits as its factorization.

116229121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734830.

The product of its digits is 432, while the sum is 25.

The square root of 116229121 is about 10780.9610425045. The cubic root of 116229121 is about 488.0207834582.

The spelling of 116229121 in words is "one hundred sixteen million, two hundred twenty-nine thousand, one hundred twenty-one".