116121251 has 12 divisors (see below), whose sum is σ = 120314712. Its totient is φ = 112047936.

The previous prime is 116121223. The next prime is 116121253. The reversal of 116121251 is 152121611.

It is not a de Polignac number, because 116121251 - 2¹⁰ = 116120227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116121253) 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, 187895 + ... + 188511.

It is an arithmetic number, because the mean of its divisors is an integer number (10026226).

Almost surely, 2^116121251 is an apocalyptic number.

116121251 is a deficient number, since it is larger than the sum of its proper divisors (4193461).

116121251 is an frugal number, since it uses more digits than its factorization.

116121251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 737 counting only the distinct ones).

The product of its digits is 120, while the sum is 20.

The square root of 116121251 is about 10775.9570804639. The cubic root of 116121251 is about 487.8697625108.

Adding to 116121251 its reverse (152121611), we get a palindrome (268242862).

The spelling of 116121251 in words is "one hundred sixteen million, one hundred twenty-one thousand, two hundred fifty-one".