115121122 has 4 divisors (see below), whose sum is σ = 172681686. Its totient is φ = 57560560.

The previous prime is 115121119. The next prime is 115121129. The reversal of 115121122 is 221121511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 90231001 + 24890121 = 9499^2 + 4989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115121096 and 115121105.

It is not an unprimeable number, because it can be changed into a prime (115121129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28780279 + ... + 28780282.

Almost surely, 2^115121122 is an apocalyptic number.

115121122 is a deficient number, since it is larger than the sum of its proper divisors (57560564).

115121122 is an equidigital number, since it uses as much as digits as its factorization.

115121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57560563.

The product of its digits is 40, while the sum is 16.

The square root of 115121122 is about 10729.4511509210. The cubic root of 115121122 is about 486.4650806026.

Adding to 115121122 its reverse (221121511), we get a palindrome (336242633).

The spelling of 115121122 in words is "one hundred fifteen million, one hundred twenty-one thousand, one hundred twenty-two".