115214129 has 4 divisors (see below), whose sum is σ = 119187060. Its totient is φ = 111241200.

The previous prime is 115214093. The next prime is 115214131. The reversal of 115214129 is 921412511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31528225 + 83685904 = 5615^2 + 9148^2 .

It is a cyclic number.

It is not a de Polignac number, because 115214129 - 2¹² = 115210033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115214098 and 115214107.

It is not an unprimeable number, because it can be changed into a prime (115214159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986422 + ... + 1986479.

It is an arithmetic number, because the mean of its divisors is an integer number (29796765).

Almost surely, 2^115214129 is an apocalyptic number.

It is an amenable number.

115214129 is a deficient number, since it is larger than the sum of its proper divisors (3972931).

115214129 is an equidigital number, since it uses as much as digits as its factorization.

115214129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972930.

The product of its digits is 720, while the sum is 26.

The square root of 115214129 is about 10733.7844677448. The cubic root of 115214129 is about 486.5960512938.

The spelling of 115214129 in words is "one hundred fifteen million, two hundred fourteen thousand, one hundred twenty-nine".