115072078 has 16 divisors (see below), whose sum is σ = 188469504. Its totient is φ = 52258360.

The previous prime is 115072073. The next prime is 115072079. The reversal of 115072078 is 870270511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115072073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37851 + ... + 40777.

It is an arithmetic number, because the mean of its divisors is an integer number (11779344).

Almost surely, 2^115072078 is an apocalyptic number.

115072078 is a deficient number, since it is larger than the sum of its proper divisors (73397426).

115072078 is a wasteful number, since it uses less digits than its factorization.

115072078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 115072078 is about 10727.1654224217. The cubic root of 115072078 is about 486.3959893654.

The spelling of 115072078 in words is "one hundred fifteen million, seventy-two thousand, seventy-eight".