115412049 has 9 divisors (see below), whose sum is σ = 166752859. Its totient is φ = 76919880.

The previous prime is 115412047. The next prime is 115412057. The reversal of 115412049 is 940214511.

The square root of 115412049 is 10743.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 102880449 + 12531600 = 10143^2 + 3540^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 115412049 - 2¹ = 115412047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115412047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30439 + ... + 34019.

Almost surely, 2^115412049 is an apocalyptic number.

115412049 is the 10743-rd square number.

115412049 is the 5372-nd centered octagonal number.

It is an amenable number.

115412049 is a deficient number, since it is larger than the sum of its proper divisors (51340810).

115412049 is an frugal number, since it uses more digits than its factorization.

115412049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The cubic root of 115412049 is about 486.8745240731.

It can be divided in two parts, 1154 and 12049, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 115412049 in words is "one hundred fifteen million, four hundred twelve thousand, forty-nine".