121324130 has 16 divisors (see below), whose sum is σ = 218589624. Its totient is φ = 48483840.

The previous prime is 121324127. The next prime is 121324153. The reversal of 121324130 is 31423121.

It can be written as a sum of positive squares in 4 ways, for example, as 106028209 + 15295921 = 10297^2 + 3911^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121324099 and 121324108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6674 + ... + 16946.

Almost surely, 2^121324130 is an apocalyptic number.

121324130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121324130 is a deficient number, since it is larger than the sum of its proper divisors (97265494).

121324130 is a wasteful number, since it uses less digits than its factorization.

121324130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11461.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121324130 is about 11014.7233283456. The cubic root of 121324130 is about 495.0499966505.

Adding to 121324130 its reverse (31423121), we get a palindrome (152747251).

The spelling of 121324130 in words is "one hundred twenty-one million, three hundred twenty-four thousand, one hundred thirty".