121335130 has 32 divisors (see below), whose sum is σ = 258215040. Its totient is φ = 40165440.

The previous prime is 121335119. The next prime is 121335131. The reversal of 121335130 is 31533121.

It is a junction number, because it is equal to n+sod(n) for n = 121335098 and 121335107.

It is not an unprimeable number, because it can be changed into a prime (121335131) 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 15 ways as a sum of consecutive naturals, for example, 27856 + ... + 31915.

It is an arithmetic number, because the mean of its divisors is an integer number (8069220).

Almost surely, 2^121335130 is an apocalyptic number.

121335130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121335130 is an abundant number, since it is smaller than the sum of its proper divisors (136879910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121335130 is a wasteful number, since it uses less digits than its factorization.

121335130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59814.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 121335130 is about 11015.2226486803. Note that the first 3 decimals coincide. The cubic root of 121335130 is about 495.0649576353.

Adding to 121335130 its reverse (31533121), we get a palindrome (152868251).

The spelling of 121335130 in words is "one hundred twenty-one million, three hundred thirty-five thousand, one hundred thirty".