116225129 has 2 divisors, whose sum is σ = 116225130. Its totient is φ = 116225128.

The previous prime is 116225117. The next prime is 116225143. The reversal of 116225129 is 921522611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62173225 + 54051904 = 7885^2 + 7352^2 .

It is a cyclic number.

It is not a de Polignac number, because 116225129 - 2⁴ = 116225113 is a prime.

It is a super-2 number, since 2×116225129² = 27016561222133282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116222129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58112564 + 58112565.

It is an arithmetic number, because the mean of its divisors is an integer number (58112565).

Almost surely, 2^116225129 is an apocalyptic number.

It is an amenable number.

116225129 is a deficient number, since it is larger than the sum of its proper divisors (1).

116225129 is an equidigital number, since it uses as much as digits as its factorization.

116225129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 116225129 is about 10780.7758997208. The cubic root of 116225129 is about 488.0151962145.

The spelling of 116225129 in words is "one hundred sixteen million, two hundred twenty-five thousand, one hundred twenty-nine".