121130120 has 32 divisors (see below), whose sum is σ = 273228120. Its totient is φ = 48330240.

The previous prime is 121130101. The next prime is 121130137. The reversal of 121130120 is 21031121.

It can be written as a sum of positive squares in 4 ways, for example, as 25989604 + 95140516 = 5098^2 + 9754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13244 + ... + 20436.

Almost surely, 2^121130120 is an apocalyptic number.

121130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121130120 is an abundant number, since it is smaller than the sum of its proper divisors (152098000).

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

121130120 is a wasteful number, since it uses less digits than its factorization.

121130120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625 (or 7621 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121130120 is about 11005.9129562249. The cubic root of 121130120 is about 494.7859769249.

Adding to 121130120 its reverse (21031121), we get a palindrome (142161241).

The spelling of 121130120 in words is "one hundred twenty-one million, one hundred thirty thousand, one hundred twenty".