117544129 has 2 divisors, whose sum is σ = 117544130. Its totient is φ = 117544128.

The previous prime is 117544117. The next prime is 117544177. The reversal of 117544129 is 921445711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113635600 + 3908529 = 10660^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 117544129 - 2¹³ = 117535937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117544094 and 117544103.

It is not a weakly prime, because it can be changed into another prime (117544199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58772064 + 58772065.

It is an arithmetic number, because the mean of its divisors is an integer number (58772065).

Almost surely, 2^117544129 is an apocalyptic number.

It is an amenable number.

117544129 is a deficient number, since it is larger than the sum of its proper divisors (1).

117544129 is an equidigital number, since it uses as much as digits as its factorization.

117544129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 34.

The square root of 117544129 is about 10841.7770222413. Note that the first 3 decimals coincide. The cubic root of 117544129 is about 489.8543632157.

The spelling of 117544129 in words is "one hundred seventeen million, five hundred forty-four thousand, one hundred twenty-nine".