115219049 has 4 divisors (see below), whose sum is σ = 125693520. Its totient is φ = 104744580.

The previous prime is 115219019. The next prime is 115219067. The reversal of 115219049 is 940912511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115219049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115219009) 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, 5237219 + ... + 5237240.

It is an arithmetic number, because the mean of its divisors is an integer number (31423380).

Almost surely, 2^115219049 is an apocalyptic number.

It is an amenable number.

115219049 is a deficient number, since it is larger than the sum of its proper divisors (10474471).

115219049 is a wasteful number, since it uses less digits than its factorization.

115219049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474470.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 115219049 is about 10734.0136482119. The cubic root of 115219049 is about 486.6029775811.

The spelling of 115219049 in words is "one hundred fifteen million, two hundred nineteen thousand, forty-nine".