115121029 has 2 divisors, whose sum is σ = 115121030. Its totient is φ = 115121028.

The previous prime is 115121021. The next prime is 115121047. The reversal of 115121029 is 920121511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72284004 + 42837025 = 8502^2 + 6545^2 .

It is an emirp because it is prime and its reverse (920121511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115121029 - 2³ = 115121021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115121021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57560514 + 57560515.

It is an arithmetic number, because the mean of its divisors is an integer number (57560515).

Almost surely, 2^115121029 is an apocalyptic number.

It is an amenable number.

115121029 is a deficient number, since it is larger than the sum of its proper divisors (1).

115121029 is an equidigital number, since it uses as much as digits as its factorization.

115121029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 115121029 is about 10729.4468170545. The cubic root of 115121029 is about 486.4649496065.

The spelling of 115121029 in words is "one hundred fifteen million, one hundred twenty-one thousand, twenty-nine".