115121049 has 16 divisors (see below), whose sum is σ = 160617600. Its totient is φ = 73204736.

The previous prime is 115121047. The next prime is 115121053. The reversal of 115121049 is 940121511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115121049 - 2¹ = 115121047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115121047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24697 + ... + 28985.

It is an arithmetic number, because the mean of its divisors is an integer number (10038600).

Almost surely, 2^115121049 is an apocalyptic number.

It is an amenable number.

115121049 is a deficient number, since it is larger than the sum of its proper divisors (45496551).

115121049 is a wasteful number, since it uses less digits than its factorization.

115121049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 115121049 is about 10729.4477490689. The cubic root of 115121049 is about 486.4649777777.

It can be divided in two parts, 11512 and 1049, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 115121049 in words is "one hundred fifteen million, one hundred twenty-one thousand, forty-nine".