115121054 has 4 divisors (see below), whose sum is σ = 172681584. Its totient is φ = 57560526.

The previous prime is 115121053. The next prime is 115121089. The reversal of 115121054 is 450121511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450121511 = 7 ⋅64303073.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115121053) 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 as a sum of consecutive naturals, namely, 28780262 + ... + 28780265.

It is an arithmetic number, because the mean of its divisors is an integer number (43170396).

Almost surely, 2^115121054 is an apocalyptic number.

115121054 is a deficient number, since it is larger than the sum of its proper divisors (57560530).

115121054 is an equidigital number, since it uses as much as digits as its factorization.

115121054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57560529.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 115121054 is about 10729.4479820725. The cubic root of 115121054 is about 486.4649848205.

Adding to 115121054 its reverse (450121511), we get a palindrome (565242565).

The spelling of 115121054 in words is "one hundred fifteen million, one hundred twenty-one thousand, fifty-four".