115121450 has 48 divisors (see below), whose sum is σ = 228360384. Its totient is φ = 43027200.

The previous prime is 115121431. The next prime is 115121453. The reversal of 115121450 is 54121511.

It is not an unprimeable number, because it can be changed into a prime (115121453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141545 + ... + 142355.

It is an arithmetic number, because the mean of its divisors is an integer number (4757508).

Almost surely, 2^115121450 is an apocalyptic number.

115121450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115121450 is a deficient number, since it is larger than the sum of its proper divisors (113238934).

115121450 is a wasteful number, since it uses less digits than its factorization.

115121450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1002 counting only the distinct ones).

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

The square root of 115121450 is about 10729.4664359417. The cubic root of 115121450 is about 486.4655426099.

Adding to 115121450 its reverse (54121511), we get a palindrome (169242961).

The spelling of 115121450 in words is "one hundred fifteen million, one hundred twenty-one thousand, four hundred fifty".